Home / 832,472.71-1,148,815.91-450,499.49

Finding the Fourth Proportional to 832,472.71, 1,148,815.91 and 450,499.49

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Solution

The fourth proportional to 832,472.71, 1,148,815.91 and 450,499.49 is: 621,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,472.71 : 1,148,815.91 = 450,499.49 : x
  2. Step 2: Convert to fraction form
    832,472.71/1,148,815.91 = 450,499.49/x
  3. Step 3: Cross multiply
    832,472.71x = 1,148,815.91 × 450,499.49
  4. Step 4: Simplify right side
    832,472.71x = 517,540,981,249.12
  5. Step 5: Solve for x
    x = 517,540,981,249.12/832,472.71
  6. Step 6: Final answer
    x = 621,691.23

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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.