Home / 667,506.80-1,001,260.20-194,207.60

Finding the Fourth Proportional to 667,506.80, 1,001,260.20 and 194,207.60

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Solution

The fourth proportional to 667,506.80, 1,001,260.20 and 194,207.60 is: 291,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,506.80 : 1,001,260.20 = 194,207.60 : x
  2. Step 2: Convert to fraction form
    667,506.80/1,001,260.20 = 194,207.60/x
  3. Step 3: Cross multiply
    667,506.80x = 1,001,260.20 × 194,207.60
  4. Step 4: Simplify right side
    667,506.80x = 194,452,340,417.52
  5. Step 5: Solve for x
    x = 194,452,340,417.52/667,506.80
  6. Step 6: Final answer
    x = 291,311.40

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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.