Home / 730,042.56-1,007,448.12-407,757.24

Finding the Fourth Proportional to 730,042.56, 1,007,448.12 and 407,757.24

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Solution

The fourth proportional to 730,042.56, 1,007,448.12 and 407,757.24 is: 562,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,042.56 : 1,007,448.12 = 407,757.24 : x
  2. Step 2: Convert to fraction form
    730,042.56/1,007,448.12 = 407,757.24/x
  3. Step 3: Cross multiply
    730,042.56x = 1,007,448.12 × 407,757.24
  4. Step 4: Simplify right side
    730,042.56x = 410,794,264,854.39
  5. Step 5: Solve for x
    x = 410,794,264,854.39/730,042.56
  6. Step 6: Final answer
    x = 562,699.06

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Double scale
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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.