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Finding the Fourth Proportional to 480,342.56, 720,404.28 and 180,854.72

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Solution

The fourth proportional to 480,342.56, 720,404.28 and 180,854.72 is: 271,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,342.56 : 720,404.28 = 180,854.72 : x
  2. Step 2: Convert to fraction form
    480,342.56/720,404.28 = 180,854.72/x
  3. Step 3: Cross multiply
    480,342.56x = 720,404.28 × 180,854.72
  4. Step 4: Simplify right side
    480,342.56x = 130,288,514,346.20
  5. Step 5: Solve for x
    x = 130,288,514,346.20/480,342.56
  6. Step 6: Final answer
    x = 271,240.83

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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.