Home / 935,868.30-1,291,498.24-506,148.43

Finding the Fourth Proportional to 935,868.30, 1,291,498.24 and 506,148.43

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Solution

The fourth proportional to 935,868.30, 1,291,498.24 and 506,148.43 is: 698,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,868.30 : 1,291,498.24 = 506,148.43 : x
  2. Step 2: Convert to fraction form
    935,868.30/1,291,498.24 = 506,148.43/x
  3. Step 3: Cross multiply
    935,868.30x = 1,291,498.24 × 506,148.43
  4. Step 4: Simplify right side
    935,868.30x = 653,689,806,523.76
  5. Step 5: Solve for x
    x = 653,689,806,523.76/935,868.30
  6. Step 6: Final answer
    x = 698,484.83

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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.