Home / 961,402.20-1,442,103.30-400,363.80

Finding the Fourth Proportional to 961,402.20, 1,442,103.30 and 400,363.80

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Solution

The fourth proportional to 961,402.20, 1,442,103.30 and 400,363.80 is: 600,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,402.20 : 1,442,103.30 = 400,363.80 : x
  2. Step 2: Convert to fraction form
    961,402.20/1,442,103.30 = 400,363.80/x
  3. Step 3: Cross multiply
    961,402.20x = 1,442,103.30 × 400,363.80
  4. Step 4: Simplify right side
    961,402.20x = 577,365,957,180.54
  5. Step 5: Solve for x
    x = 577,365,957,180.54/961,402.20
  6. Step 6: Final answer
    x = 600,545.70

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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.