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Finding the Fourth Proportional to 587,129.80, 880,694.70 and 384,176.20

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Solution

The fourth proportional to 587,129.80, 880,694.70 and 384,176.20 is: 576,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,129.80 : 880,694.70 = 384,176.20 : x
  2. Step 2: Convert to fraction form
    587,129.80/880,694.70 = 384,176.20/x
  3. Step 3: Cross multiply
    587,129.80x = 880,694.70 × 384,176.20
  4. Step 4: Simplify right side
    587,129.80x = 338,341,943,206.14
  5. Step 5: Solve for x
    x = 338,341,943,206.14/587,129.80
  6. Step 6: Final answer
    x = 576,264.30

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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.