Home / 897,940.44-1,239,165.18-490,045.56

Finding the Fourth Proportional to 897,940.44, 1,239,165.18 and 490,045.56

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Solution

The fourth proportional to 897,940.44, 1,239,165.18 and 490,045.56 is: 676,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,940.44 : 1,239,165.18 = 490,045.56 : x
  2. Step 2: Convert to fraction form
    897,940.44/1,239,165.18 = 490,045.56/x
  3. Step 3: Cross multiply
    897,940.44x = 1,239,165.18 × 490,045.56
  4. Step 4: Simplify right side
    897,940.44x = 607,247,394,565.60
  5. Step 5: Solve for x
    x = 607,247,394,565.60/897,940.44
  6. Step 6: Final answer
    x = 676,266.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.