Home / 730,991.60-1,008,789.36-408,702.52

Finding the Fourth Proportional to 730,991.60, 1,008,789.36 and 408,702.52

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Solution

The fourth proportional to 730,991.60, 1,008,789.36 and 408,702.52 is: 564,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,991.60 : 1,008,789.36 = 408,702.52 : x
  2. Step 2: Convert to fraction form
    730,991.60/1,008,789.36 = 408,702.52/x
  3. Step 3: Cross multiply
    730,991.60x = 1,008,789.36 × 408,702.52
  4. Step 4: Simplify right side
    730,991.60x = 412,294,753,581.19
  5. Step 5: Solve for x
    x = 412,294,753,581.19/730,991.60
  6. Step 6: Final answer
    x = 564,021.19

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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.