Home / 762,147.17-1,051,687.28-439,961.06

Finding the Fourth Proportional to 762,147.17, 1,051,687.28 and 439,961.06

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Solution

The fourth proportional to 762,147.17, 1,051,687.28 and 439,961.06 is: 607,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,147.17 : 1,051,687.28 = 439,961.06 : x
  2. Step 2: Convert to fraction form
    762,147.17/1,051,687.28 = 439,961.06/x
  3. Step 3: Cross multiply
    762,147.17x = 1,051,687.28 × 439,961.06
  4. Step 4: Simplify right side
    762,147.17x = 462,701,449,397.41
  5. Step 5: Solve for x
    x = 462,701,449,397.41/762,147.17
  6. Step 6: Final answer
    x = 607,102.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.