Home / 935,789.28-1,289,866.05-731,479.74

Finding the Fourth Proportional to 935,789.28, 1,289,866.05 and 731,479.74

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Solution

The fourth proportional to 935,789.28, 1,289,866.05 and 731,479.74 is: 1,008,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,789.28 : 1,289,866.05 = 731,479.74 : x
  2. Step 2: Convert to fraction form
    935,789.28/1,289,866.05 = 731,479.74/x
  3. Step 3: Cross multiply
    935,789.28x = 1,289,866.05 × 731,479.74
  4. Step 4: Simplify right side
    935,789.28x = 943,510,882,888.83
  5. Step 5: Solve for x
    x = 943,510,882,888.83/935,789.28
  6. Step 6: Final answer
    x = 1,008,251.43

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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.