Home / 616,723.20-851,061.60-348,451.20

Finding the Fourth Proportional to 616,723.20, 851,061.60 and 348,451.20

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Solution

The fourth proportional to 616,723.20, 851,061.60 and 348,451.20 is: 480,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,723.20 : 851,061.60 = 348,451.20 : x
  2. Step 2: Convert to fraction form
    616,723.20/851,061.60 = 348,451.20/x
  3. Step 3: Cross multiply
    616,723.20x = 851,061.60 × 348,451.20
  4. Step 4: Simplify right side
    616,723.20x = 296,553,435,793.92
  5. Step 5: Solve for x
    x = 296,553,435,793.92/616,723.20
  6. Step 6: Final answer
    x = 480,853.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.