Home / 816,057.27-1,224,330.57-329,488.95

Finding the Fourth Proportional to 816,057.27, 1,224,330.57 and 329,488.95

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Solution

The fourth proportional to 816,057.27, 1,224,330.57 and 329,488.95 is: 494,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,057.27 : 1,224,330.57 = 329,488.95 : x
  2. Step 2: Convert to fraction form
    816,057.27/1,224,330.57 = 329,488.95/x
  3. Step 3: Cross multiply
    816,057.27x = 1,224,330.57 × 329,488.95
  4. Step 4: Simplify right side
    816,057.27x = 403,403,393,962.20
  5. Step 5: Solve for x
    x = 403,403,393,962.20/816,057.27
  6. Step 6: Final answer
    x = 494,332.21

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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.