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Finding the Fourth Proportional to 653,275.92, 979,532.36 and 253,449.48

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Solution

The fourth proportional to 653,275.92, 979,532.36 and 253,449.48 is: 380,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,275.92 : 979,532.36 = 253,449.48 : x
  2. Step 2: Convert to fraction form
    653,275.92/979,532.36 = 253,449.48/x
  3. Step 3: Cross multiply
    653,275.92x = 979,532.36 × 253,449.48
  4. Step 4: Simplify right side
    653,275.92x = 248,261,967,285.17
  5. Step 5: Solve for x
    x = 248,261,967,285.17/653,275.92
  6. Step 6: Final answer
    x = 380,026.20

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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.