Home / 888,158.80-1,225,672.08-500,992.72

Finding the Fourth Proportional to 888,158.80, 1,225,672.08 and 500,992.72

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Solution

The fourth proportional to 888,158.80, 1,225,672.08 and 500,992.72 is: 691,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,158.80 : 1,225,672.08 = 500,992.72 : x
  2. Step 2: Convert to fraction form
    888,158.80/1,225,672.08 = 500,992.72/x
  3. Step 3: Cross multiply
    888,158.80x = 1,225,672.08 × 500,992.72
  4. Step 4: Simplify right side
    888,158.80x = 614,052,789,187.26
  5. Step 5: Solve for x
    x = 614,052,789,187.26/888,158.80
  6. Step 6: Final answer
    x = 691,377.25

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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.