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Finding the Fourth Proportional to 730,570, 1,008,115.84 and 458,550.96

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Solution

The fourth proportional to 730,570, 1,008,115.84 and 458,550.96 is: 632,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,570 : 1,008,115.84 = 458,550.96 : x
  2. Step 2: Convert to fraction form
    730,570/1,008,115.84 = 458,550.96/x
  3. Step 3: Cross multiply
    730,570x = 1,008,115.84 × 458,550.96
  4. Step 4: Simplify right side
    730,570x = 462,272,486,223.21
  5. Step 5: Solve for x
    x = 462,272,486,223.21/730,570
  6. Step 6: Final answer
    x = 632,755.91

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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.