Home / 820,305.00-1,131,851.89-471,377.95

Finding the Fourth Proportional to 820,305.00, 1,131,851.89 and 471,377.95

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Solution

The fourth proportional to 820,305.00, 1,131,851.89 and 471,377.95 is: 650,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,305.00 : 1,131,851.89 = 471,377.95 : x
  2. Step 2: Convert to fraction form
    820,305.00/1,131,851.89 = 471,377.95/x
  3. Step 3: Cross multiply
    820,305.00x = 1,131,851.89 × 471,377.95
  4. Step 4: Simplify right side
    820,305.00x = 533,530,024,421.78
  5. Step 5: Solve for x
    x = 533,530,024,421.78/820,305.00
  6. Step 6: Final answer
    x = 650,404.45

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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.