Home / 558,399.96-837,281.66-381,121.56

Finding the Fourth Proportional to 558,399.96, 837,281.66 and 381,121.56

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Solution

The fourth proportional to 558,399.96, 837,281.66 and 381,121.56 is: 571,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,399.96 : 837,281.66 = 381,121.56 : x
  2. Step 2: Convert to fraction form
    558,399.96/837,281.66 = 381,121.56/x
  3. Step 3: Cross multiply
    558,399.96x = 837,281.66 × 381,121.56
  4. Step 4: Simplify right side
    558,399.96x = 319,106,092,418.59
  5. Step 5: Solve for x
    x = 319,106,092,418.59/558,399.96
  6. Step 6: Final answer
    x = 571,465.11

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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.