Home / 985,343.28-1,359,773.97-555,623.52

Finding the Fourth Proportional to 985,343.28, 1,359,773.97 and 555,623.52

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Solution

The fourth proportional to 985,343.28, 1,359,773.97 and 555,623.52 is: 766,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,343.28 : 1,359,773.97 = 555,623.52 : x
  2. Step 2: Convert to fraction form
    985,343.28/1,359,773.97 = 555,623.52/x
  3. Step 3: Cross multiply
    985,343.28x = 1,359,773.97 × 555,623.52
  4. Step 4: Simplify right side
    985,343.28x = 755,522,406,250.14
  5. Step 5: Solve for x
    x = 755,522,406,250.14/985,343.28
  6. Step 6: Final answer
    x = 766,760.60

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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.