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Finding the Fourth Proportional to 653,317, 980,227.38 and 254,239.16

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Solution

The fourth proportional to 653,317, 980,227.38 and 254,239.16 is: 381,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,317 : 980,227.38 = 254,239.16 : x
  2. Step 2: Convert to fraction form
    653,317/980,227.38 = 254,239.16/x
  3. Step 3: Cross multiply
    653,317x = 980,227.38 × 254,239.16
  4. Step 4: Simplify right side
    653,317x = 249,212,185,700.20
  5. Step 5: Solve for x
    x = 249,212,185,700.20/653,317
  6. Step 6: Final answer
    x = 381,456.76

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1.5x scale

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.