Home / 781,337.80-1,172,006.70-248,854.60

Finding the Fourth Proportional to 781,337.80, 1,172,006.70 and 248,854.60

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Solution

The fourth proportional to 781,337.80, 1,172,006.70 and 248,854.60 is: 373,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,337.80 : 1,172,006.70 = 248,854.60 : x
  2. Step 2: Convert to fraction form
    781,337.80/1,172,006.70 = 248,854.60/x
  3. Step 3: Cross multiply
    781,337.80x = 1,172,006.70 × 248,854.60
  4. Step 4: Simplify right side
    781,337.80x = 291,659,258,525.82
  5. Step 5: Solve for x
    x = 291,659,258,525.82/781,337.80
  6. Step 6: Final answer
    x = 373,281.90

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Similar ratio
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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.