Home / 558,507.40-837,761.10-409,791.40

Finding the Fourth Proportional to 558,507.40, 837,761.10 and 409,791.40

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Solution

The fourth proportional to 558,507.40, 837,761.10 and 409,791.40 is: 614,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,507.40 : 837,761.10 = 409,791.40 : x
  2. Step 2: Convert to fraction form
    558,507.40/837,761.10 = 409,791.40/x
  3. Step 3: Cross multiply
    558,507.40x = 837,761.10 × 409,791.40
  4. Step 4: Simplify right side
    558,507.40x = 343,307,294,034.54
  5. Step 5: Solve for x
    x = 343,307,294,034.54/558,507.40
  6. Step 6: Final answer
    x = 614,687.10

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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.