Home / 653,531.12-980,293.08-254,449.52

Finding the Fourth Proportional to 653,531.12, 980,293.08 and 254,449.52

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Solution

The fourth proportional to 653,531.12, 980,293.08 and 254,449.52 is: 381,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,531.12 : 980,293.08 = 254,449.52 : x
  2. Step 2: Convert to fraction form
    653,531.12/980,293.08 = 254,449.52/x
  3. Step 3: Cross multiply
    653,531.12x = 980,293.08 × 254,449.52
  4. Step 4: Simplify right side
    653,531.12x = 249,435,103,665.32
  5. Step 5: Solve for x
    x = 249,435,103,665.32/653,531.12
  6. Step 6: Final answer
    x = 381,672.88

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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.