Home / 730,502.31-1,008,091.56-408,212.43

Finding the Fourth Proportional to 730,502.31, 1,008,091.56 and 408,212.43

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Solution

The fourth proportional to 730,502.31, 1,008,091.56 and 408,212.43 is: 563,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,502.31 : 1,008,091.56 = 408,212.43 : x
  2. Step 2: Convert to fraction form
    730,502.31/1,008,091.56 = 408,212.43/x
  3. Step 3: Cross multiply
    730,502.31x = 1,008,091.56 × 408,212.43
  4. Step 4: Simplify right side
    730,502.31x = 411,515,505,370.09
  5. Step 5: Solve for x
    x = 411,515,505,370.09/730,502.31
  6. Step 6: Final answer
    x = 563,332.24

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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.