Home / 762,402.38-1,143,607.48-256,967.72

Finding the Fourth Proportional to 762,402.38, 1,143,607.48 and 256,967.72

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Solution

The fourth proportional to 762,402.38, 1,143,607.48 and 256,967.72 is: 385,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,402.38 : 1,143,607.48 = 256,967.72 : x
  2. Step 2: Convert to fraction form
    762,402.38/1,143,607.48 = 256,967.72/x
  3. Step 3: Cross multiply
    762,402.38x = 1,143,607.48 × 256,967.72
  4. Step 4: Simplify right side
    762,402.38x = 293,870,206,710.55
  5. Step 5: Solve for x
    x = 293,870,206,710.55/762,402.38
  6. Step 6: Final answer
    x = 385,452.90

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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.