Home / 667,386.30-1,001,079.45-541,415.10

Finding the Fourth Proportional to 667,386.30, 1,001,079.45 and 541,415.10

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Solution

The fourth proportional to 667,386.30, 1,001,079.45 and 541,415.10 is: 812,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,386.30 : 1,001,079.45 = 541,415.10 : x
  2. Step 2: Convert to fraction form
    667,386.30/1,001,079.45 = 541,415.10/x
  3. Step 3: Cross multiply
    667,386.30x = 1,001,079.45 × 541,415.10
  4. Step 4: Simplify right side
    667,386.30x = 541,999,530,529.70
  5. Step 5: Solve for x
    x = 541,999,530,529.70/667,386.30
  6. Step 6: Final answer
    x = 812,122.65

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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.