Home / 803,462.49-1,204,559.67-398,375.40

Finding the Fourth Proportional to 803,462.49, 1,204,559.67 and 398,375.40

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Solution

The fourth proportional to 803,462.49, 1,204,559.67 and 398,375.40 is: 597,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,462.49 : 1,204,559.67 = 398,375.40 : x
  2. Step 2: Convert to fraction form
    803,462.49/1,204,559.67 = 398,375.40/x
  3. Step 3: Cross multiply
    803,462.49x = 1,204,559.67 × 398,375.40
  4. Step 4: Simplify right side
    803,462.49x = 479,866,940,360.12
  5. Step 5: Solve for x
    x = 479,866,940,360.12/803,462.49
  6. Step 6: Final answer
    x = 597,248.72

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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.