Home / 782,841.72-1,174,320.18-243,027.24

Finding the Fourth Proportional to 782,841.72, 1,174,320.18 and 243,027.24

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Solution

The fourth proportional to 782,841.72, 1,174,320.18 and 243,027.24 is: 364,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,841.72 : 1,174,320.18 = 243,027.24 : x
  2. Step 2: Convert to fraction form
    782,841.72/1,174,320.18 = 243,027.24/x
  3. Step 3: Cross multiply
    782,841.72x = 1,174,320.18 × 243,027.24
  4. Step 4: Simplify right side
    782,841.72x = 285,391,792,221.70
  5. Step 5: Solve for x
    x = 285,391,792,221.70/782,841.72
  6. Step 6: Final answer
    x = 364,558.74

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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.