Home / 758,612.92-1,138,479.30-359,252.92

Finding the Fourth Proportional to 758,612.92, 1,138,479.30 and 359,252.92

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Solution

The fourth proportional to 758,612.92, 1,138,479.30 and 359,252.92 is: 539,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,612.92 : 1,138,479.30 = 359,252.92 : x
  2. Step 2: Convert to fraction form
    758,612.92/1,138,479.30 = 359,252.92/x
  3. Step 3: Cross multiply
    758,612.92x = 1,138,479.30 × 359,252.92
  4. Step 4: Simplify right side
    758,612.92x = 409,002,012,884.56
  5. Step 5: Solve for x
    x = 409,002,012,884.56/758,612.92
  6. Step 6: Final answer
    x = 539,144.54

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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.