Home / 762,508.44-1,142,964.54-256,894.70

Finding the Fourth Proportional to 762,508.44, 1,142,964.54 and 256,894.70

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Solution

The fourth proportional to 762,508.44, 1,142,964.54 and 256,894.70 is: 385,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,508.44 : 1,142,964.54 = 256,894.70 : x
  2. Step 2: Convert to fraction form
    762,508.44/1,142,964.54 = 256,894.70/x
  3. Step 3: Cross multiply
    762,508.44x = 1,142,964.54 × 256,894.70
  4. Step 4: Simplify right side
    762,508.44x = 293,621,526,899.12
  5. Step 5: Solve for x
    x = 293,621,526,899.12/762,508.44
  6. Step 6: Final answer
    x = 385,073.15

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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.