Home / 935,406.70-1,403,110.05-579,265.90

Finding the Fourth Proportional to 935,406.70, 1,403,110.05 and 579,265.90

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Solution

The fourth proportional to 935,406.70, 1,403,110.05 and 579,265.90 is: 868,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,406.70 : 1,403,110.05 = 579,265.90 : x
  2. Step 2: Convert to fraction form
    935,406.70/1,403,110.05 = 579,265.90/x
  3. Step 3: Cross multiply
    935,406.70x = 1,403,110.05 × 579,265.90
  4. Step 4: Simplify right side
    935,406.70x = 812,773,805,912.30
  5. Step 5: Solve for x
    x = 812,773,805,912.30/935,406.70
  6. Step 6: Final answer
    x = 868,898.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.