Home / 981,950.40-1,472,925.60-317,102.40

Finding the Fourth Proportional to 981,950.40, 1,472,925.60 and 317,102.40

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Solution

The fourth proportional to 981,950.40, 1,472,925.60 and 317,102.40 is: 475,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,950.40 : 1,472,925.60 = 317,102.40 : x
  2. Step 2: Convert to fraction form
    981,950.40/1,472,925.60 = 317,102.40/x
  3. Step 3: Cross multiply
    981,950.40x = 1,472,925.60 × 317,102.40
  4. Step 4: Simplify right side
    981,950.40x = 467,068,242,781.44
  5. Step 5: Solve for x
    x = 467,068,242,781.44/981,950.40
  6. Step 6: Final answer
    x = 475,653.60

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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.