Home / 739,356.30-1,109,034.45-473,635.80

Finding the Fourth Proportional to 739,356.30, 1,109,034.45 and 473,635.80

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Solution

The fourth proportional to 739,356.30, 1,109,034.45 and 473,635.80 is: 710,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,356.30 : 1,109,034.45 = 473,635.80 : x
  2. Step 2: Convert to fraction form
    739,356.30/1,109,034.45 = 473,635.80/x
  3. Step 3: Cross multiply
    739,356.30x = 1,109,034.45 × 473,635.80
  4. Step 4: Simplify right side
    739,356.30x = 525,278,418,953.31
  5. Step 5: Solve for x
    x = 525,278,418,953.31/739,356.30
  6. Step 6: Final answer
    x = 710,453.70

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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.