Home / 892,820.88-1,338,092.46-418,461.12

Finding the Fourth Proportional to 892,820.88, 1,338,092.46 and 418,461.12

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Solution

The fourth proportional to 892,820.88, 1,338,092.46 and 418,461.12 is: 627,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,820.88 : 1,338,092.46 = 418,461.12 : x
  2. Step 2: Convert to fraction form
    892,820.88/1,338,092.46 = 418,461.12/x
  3. Step 3: Cross multiply
    892,820.88x = 1,338,092.46 × 418,461.12
  4. Step 4: Simplify right side
    892,820.88x = 559,939,669,475.16
  5. Step 5: Solve for x
    x = 559,939,669,475.16/892,820.88
  6. Step 6: Final answer
    x = 627,157.90

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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.