Home / 826,338.38-1,240,031.90-353,027.30

Finding the Fourth Proportional to 826,338.38, 1,240,031.90 and 353,027.30

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Solution

The fourth proportional to 826,338.38, 1,240,031.90 and 353,027.30 is: 529,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,338.38 : 1,240,031.90 = 353,027.30 : x
  2. Step 2: Convert to fraction form
    826,338.38/1,240,031.90 = 353,027.30/x
  3. Step 3: Cross multiply
    826,338.38x = 1,240,031.90 × 353,027.30
  4. Step 4: Simplify right side
    826,338.38x = 437,765,108,253.28
  5. Step 5: Solve for x
    x = 437,765,108,253.28/826,338.38
  6. Step 6: Final answer
    x = 529,764.95

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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.