Home / 771,511.52-1,156,942.67-291,658.61

Finding the Fourth Proportional to 771,511.52, 1,156,942.67 and 291,658.61

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Solution

The fourth proportional to 771,511.52, 1,156,942.67 and 291,658.61 is: 437,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,511.52 : 1,156,942.67 = 291,658.61 : x
  2. Step 2: Convert to fraction form
    771,511.52/1,156,942.67 = 291,658.61/x
  3. Step 3: Cross multiply
    771,511.52x = 1,156,942.67 × 291,658.61
  4. Step 4: Simplify right side
    771,511.52x = 337,432,283,738.88
  5. Step 5: Solve for x
    x = 337,432,283,738.88/771,511.52
  6. Step 6: Final answer
    x = 437,365.19

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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.