Home / 739,991.24-1,021,191.12-400,459.52

Finding the Fourth Proportional to 739,991.24, 1,021,191.12 and 400,459.52

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Solution

The fourth proportional to 739,991.24, 1,021,191.12 and 400,459.52 is: 552,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,991.24 : 1,021,191.12 = 400,459.52 : x
  2. Step 2: Convert to fraction form
    739,991.24/1,021,191.12 = 400,459.52/x
  3. Step 3: Cross multiply
    739,991.24x = 1,021,191.12 × 400,459.52
  4. Step 4: Simplify right side
    739,991.24x = 408,945,705,743.46
  5. Step 5: Solve for x
    x = 408,945,705,743.46/739,991.24
  6. Step 6: Final answer
    x = 552,635.87

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