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Finding the Fourth Proportional to 981,651.60, 1,472,574.60 and 341,856.90

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Solution

The fourth proportional to 981,651.60, 1,472,574.60 and 341,856.90 is: 512,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,651.60 : 1,472,574.60 = 341,856.90 : x
  2. Step 2: Convert to fraction form
    981,651.60/1,472,574.60 = 341,856.90/x
  3. Step 3: Cross multiply
    981,651.60x = 1,472,574.60 × 341,856.90
  4. Step 4: Simplify right side
    981,651.60x = 503,409,787,774.74
  5. Step 5: Solve for x
    x = 503,409,787,774.74/981,651.60
  6. Step 6: Final answer
    x = 512,819.20

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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.