Home / 817,689.30-1,224,201.15-724,377.30

Finding the Fourth Proportional to 817,689.30, 1,224,201.15 and 724,377.30

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Solution

The fourth proportional to 817,689.30, 1,224,201.15 and 724,377.30 is: 1,084,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,689.30 : 1,224,201.15 = 724,377.30 : x
  2. Step 2: Convert to fraction form
    817,689.30/1,224,201.15 = 724,377.30/x
  3. Step 3: Cross multiply
    817,689.30x = 1,224,201.15 × 724,377.30
  4. Step 4: Simplify right side
    817,689.30x = 886,783,523,693.90
  5. Step 5: Solve for x
    x = 886,783,523,693.90/817,689.30
  6. Step 6: Final answer
    x = 1,084,499.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.