Home / 1,489,500.30-2,234,250.45-492,228.30

Finding the Fourth Proportional to 1,489,500.30, 2,234,250.45 and 492,228.30

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Solution

The fourth proportional to 1,489,500.30, 2,234,250.45 and 492,228.30 is: 738,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,500.30 : 2,234,250.45 = 492,228.30 : x
  2. Step 2: Convert to fraction form
    1,489,500.30/2,234,250.45 = 492,228.30/x
  3. Step 3: Cross multiply
    1,489,500.30x = 2,234,250.45 × 492,228.30
  4. Step 4: Simplify right side
    1,489,500.30x = 1,099,761,300,777.74
  5. Step 5: Solve for x
    x = 1,099,761,300,777.74/1,489,500.30
  6. Step 6: Final answer
    x = 738,342.45

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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.