Home / 730,535.30-1,008,135.77-408,245.31

Finding the Fourth Proportional to 730,535.30, 1,008,135.77 and 408,245.31

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Solution

The fourth proportional to 730,535.30, 1,008,135.77 and 408,245.31 is: 563,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,535.30 : 1,008,135.77 = 408,245.31 : x
  2. Step 2: Convert to fraction form
    730,535.30/1,008,135.77 = 408,245.31/x
  3. Step 3: Cross multiply
    730,535.30x = 1,008,135.77 × 408,245.31
  4. Step 4: Simplify right side
    730,535.30x = 411,566,700,966.35
  5. Step 5: Solve for x
    x = 411,566,700,966.35/730,535.30
  6. Step 6: Final answer
    x = 563,376.89

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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.