Home / 724,669.40-1,085,691.90-619,693.40

Finding the Fourth Proportional to 724,669.40, 1,085,691.90 and 619,693.40

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Solution

The fourth proportional to 724,669.40, 1,085,691.90 and 619,693.40 is: 928,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,669.40 : 1,085,691.90 = 619,693.40 : x
  2. Step 2: Convert to fraction form
    724,669.40/1,085,691.90 = 619,693.40/x
  3. Step 3: Cross multiply
    724,669.40x = 1,085,691.90 × 619,693.40
  4. Step 4: Simplify right side
    724,669.40x = 672,796,104,863.46
  5. Step 5: Solve for x
    x = 672,796,104,863.46/724,669.40
  6. Step 6: Final answer
    x = 928,417.99

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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.