Home / 770,475.20-1,063,249.68-430,943.20

Finding the Fourth Proportional to 770,475.20, 1,063,249.68 and 430,943.20

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Solution

The fourth proportional to 770,475.20, 1,063,249.68 and 430,943.20 is: 594,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,475.20 : 1,063,249.68 = 430,943.20 : x
  2. Step 2: Convert to fraction form
    770,475.20/1,063,249.68 = 430,943.20/x
  3. Step 3: Cross multiply
    770,475.20x = 1,063,249.68 × 430,943.20
  4. Step 4: Simplify right side
    770,475.20x = 458,200,219,498.18
  5. Step 5: Solve for x
    x = 458,200,219,498.18/770,475.20
  6. Step 6: Final answer
    x = 594,698.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.