Home / 723,565.71-1,085,999.08-386,894.14

Finding the Fourth Proportional to 723,565.71, 1,085,999.08 and 386,894.14

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Solution

The fourth proportional to 723,565.71, 1,085,999.08 and 386,894.14 is: 580,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,565.71 : 1,085,999.08 = 386,894.14 : x
  2. Step 2: Convert to fraction form
    723,565.71/1,085,999.08 = 386,894.14/x
  3. Step 3: Cross multiply
    723,565.71x = 1,085,999.08 × 386,894.14
  4. Step 4: Simplify right side
    723,565.71x = 420,166,680,097.39
  5. Step 5: Solve for x
    x = 420,166,680,097.39/723,565.71
  6. Step 6: Final answer
    x = 580,689.04

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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.