Home / 739,759.82-1,108,658.76-379,916.15

Finding the Fourth Proportional to 739,759.82, 1,108,658.76 and 379,916.15

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Solution

The fourth proportional to 739,759.82, 1,108,658.76 and 379,916.15 is: 569,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,759.82 : 1,108,658.76 = 379,916.15 : x
  2. Step 2: Convert to fraction form
    739,759.82/1,108,658.76 = 379,916.15/x
  3. Step 3: Cross multiply
    739,759.82x = 1,108,658.76 × 379,916.15
  4. Step 4: Simplify right side
    739,759.82x = 421,197,367,762.97
  5. Step 5: Solve for x
    x = 421,197,367,762.97/739,759.82
  6. Step 6: Final answer
    x = 569,370.44

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Double scale
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1.5x scale

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.