Home / 688,763.01-1,033,167.57-239,487.78

Finding the Fourth Proportional to 688,763.01, 1,033,167.57 and 239,487.78

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Solution

The fourth proportional to 688,763.01, 1,033,167.57 and 239,487.78 is: 359,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,763.01 : 1,033,167.57 = 239,487.78 : x
  2. Step 2: Convert to fraction form
    688,763.01/1,033,167.57 = 239,487.78/x
  3. Step 3: Cross multiply
    688,763.01x = 1,033,167.57 × 239,487.78
  4. Step 4: Simplify right side
    688,763.01x = 247,431,007,707.30
  5. Step 5: Solve for x
    x = 247,431,007,707.30/688,763.01
  6. Step 6: Final answer
    x = 359,239.69

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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.