Home / 1,099,345.15-1,649,509.80-499,997.80

Finding the Fourth Proportional to 1,099,345.15, 1,649,509.80 and 499,997.80

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Solution

The fourth proportional to 1,099,345.15, 1,649,509.80 and 499,997.80 is: 750,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,345.15 : 1,649,509.80 = 499,997.80 : x
  2. Step 2: Convert to fraction form
    1,099,345.15/1,649,509.80 = 499,997.80/x
  3. Step 3: Cross multiply
    1,099,345.15x = 1,649,509.80 × 499,997.80
  4. Step 4: Simplify right side
    1,099,345.15x = 824,751,271,078.44
  5. Step 5: Solve for x
    x = 824,751,271,078.44/1,099,345.15
  6. Step 6: Final answer
    x = 750,220.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.