Home / 722,252.40-1,085,711.40-513,337.20

Finding the Fourth Proportional to 722,252.40, 1,085,711.40 and 513,337.20

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Solution

The fourth proportional to 722,252.40, 1,085,711.40 and 513,337.20 is: 771,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,252.40 : 1,085,711.40 = 513,337.20 : x
  2. Step 2: Convert to fraction form
    722,252.40/1,085,711.40 = 513,337.20/x
  3. Step 3: Cross multiply
    722,252.40x = 1,085,711.40 × 513,337.20
  4. Step 4: Simplify right side
    722,252.40x = 557,336,050,084.08
  5. Step 5: Solve for x
    x = 557,336,050,084.08/722,252.40
  6. Step 6: Final answer
    x = 771,663.83

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1.5x scale

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.