Home / 838,314.30-1,257,471.45-667,072.20

Finding the Fourth Proportional to 838,314.30, 1,257,471.45 and 667,072.20

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Solution

The fourth proportional to 838,314.30, 1,257,471.45 and 667,072.20 is: 1,000,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,314.30 : 1,257,471.45 = 667,072.20 : x
  2. Step 2: Convert to fraction form
    838,314.30/1,257,471.45 = 667,072.20/x
  3. Step 3: Cross multiply
    838,314.30x = 1,257,471.45 × 667,072.20
  4. Step 4: Simplify right side
    838,314.30x = 838,824,246,588.69
  5. Step 5: Solve for x
    x = 838,824,246,588.69/838,314.30
  6. Step 6: Final answer
    x = 1,000,608.30

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1.5x scale

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.