Home / 762,057.66-1,142,371.20-256,264.86

Finding the Fourth Proportional to 762,057.66, 1,142,371.20 and 256,264.86

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Solution

The fourth proportional to 762,057.66, 1,142,371.20 and 256,264.86 is: 384,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,057.66 : 1,142,371.20 = 256,264.86 : x
  2. Step 2: Convert to fraction form
    762,057.66/1,142,371.20 = 256,264.86/x
  3. Step 3: Cross multiply
    762,057.66x = 1,142,371.20 × 256,264.86
  4. Step 4: Simplify right side
    762,057.66x = 292,749,595,636.03
  5. Step 5: Solve for x
    x = 292,749,595,636.03/762,057.66
  6. Step 6: Final answer
    x = 384,156.75

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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.