Home / 817,287.91-1,225,919.57-367,691.29

Finding the Fourth Proportional to 817,287.91, 1,225,919.57 and 367,691.29

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Solution

The fourth proportional to 817,287.91, 1,225,919.57 and 367,691.29 is: 551,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,287.91 : 1,225,919.57 = 367,691.29 : x
  2. Step 2: Convert to fraction form
    817,287.91/1,225,919.57 = 367,691.29/x
  3. Step 3: Cross multiply
    817,287.91x = 1,225,919.57 × 367,691.29
  4. Step 4: Simplify right side
    817,287.91x = 450,759,948,129.55
  5. Step 5: Solve for x
    x = 450,759,948,129.55/817,287.91
  6. Step 6: Final answer
    x = 551,531.40

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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.