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Finding the Fourth Proportional to 560,284.80, 773,443.49 and 379,545.65

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Solution

The fourth proportional to 560,284.80, 773,443.49 and 379,545.65 is: 523,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,284.80 : 773,443.49 = 379,545.65 : x
  2. Step 2: Convert to fraction form
    560,284.80/773,443.49 = 379,545.65/x
  3. Step 3: Cross multiply
    560,284.80x = 773,443.49 × 379,545.65
  4. Step 4: Simplify right side
    560,284.80x = 293,557,109,285.79
  5. Step 5: Solve for x
    x = 293,557,109,285.79/560,284.80
  6. Step 6: Final answer
    x = 523,942.66

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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.