Home / 935,791.28-1,289,868.80-731,481.74

Finding the Fourth Proportional to 935,791.28, 1,289,868.80 and 731,481.74

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Solution

The fourth proportional to 935,791.28, 1,289,868.80 and 731,481.74 is: 1,008,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,791.28 : 1,289,868.80 = 731,481.74 : x
  2. Step 2: Convert to fraction form
    935,791.28/1,289,868.80 = 731,481.74/x
  3. Step 3: Cross multiply
    935,791.28x = 1,289,868.80 × 731,481.74
  4. Step 4: Simplify right side
    935,791.28x = 943,515,474,195.71
  5. Step 5: Solve for x
    x = 943,515,474,195.71/935,791.28
  6. Step 6: Final answer
    x = 1,008,254.18

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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.