Home / 762,017.44-1,142,225.90-256,402.88

Finding the Fourth Proportional to 762,017.44, 1,142,225.90 and 256,402.88

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Solution

The fourth proportional to 762,017.44, 1,142,225.90 and 256,402.88 is: 384,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,017.44 : 1,142,225.90 = 256,402.88 : x
  2. Step 2: Convert to fraction form
    762,017.44/1,142,225.90 = 256,402.88/x
  3. Step 3: Cross multiply
    762,017.44x = 1,142,225.90 × 256,402.88
  4. Step 4: Simplify right side
    762,017.44x = 292,870,010,370.59
  5. Step 5: Solve for x
    x = 292,870,010,370.59/762,017.44
  6. Step 6: Final answer
    x = 384,335.05

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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.