Home / 579,265.08-868,895.85-146,981.70

Finding the Fourth Proportional to 579,265.08, 868,895.85 and 146,981.70

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Solution

The fourth proportional to 579,265.08, 868,895.85 and 146,981.70 is: 220,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,265.08 : 868,895.85 = 146,981.70 : x
  2. Step 2: Convert to fraction form
    579,265.08/868,895.85 = 146,981.70/x
  3. Step 3: Cross multiply
    579,265.08x = 868,895.85 × 146,981.70
  4. Step 4: Simplify right side
    579,265.08x = 127,711,789,155.95
  5. Step 5: Solve for x
    x = 127,711,789,155.95/579,265.08
  6. Step 6: Final answer
    x = 220,472.10

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Double scale
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Similar ratio
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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.