Home / 480,934.80-721,402.20-125,984.70

Finding the Fourth Proportional to 480,934.80, 721,402.20 and 125,984.70

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Solution

The fourth proportional to 480,934.80, 721,402.20 and 125,984.70 is: 188,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,934.80 : 721,402.20 = 125,984.70 : x
  2. Step 2: Convert to fraction form
    480,934.80/721,402.20 = 125,984.70/x
  3. Step 3: Cross multiply
    480,934.80x = 721,402.20 × 125,984.70
  4. Step 4: Simplify right side
    480,934.80x = 90,885,639,746.34
  5. Step 5: Solve for x
    x = 90,885,639,746.34/480,934.80
  6. Step 6: Final answer
    x = 188,977.05

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Similar ratio
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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.