Home / 847,788.18-1,270,649.31-468,693.78

Finding the Fourth Proportional to 847,788.18, 1,270,649.31 and 468,693.78

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Solution

The fourth proportional to 847,788.18, 1,270,649.31 and 468,693.78 is: 702,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,788.18 : 1,270,649.31 = 468,693.78 : x
  2. Step 2: Convert to fraction form
    847,788.18/1,270,649.31 = 468,693.78/x
  3. Step 3: Cross multiply
    847,788.18x = 1,270,649.31 × 468,693.78
  4. Step 4: Simplify right side
    847,788.18x = 595,545,428,158.29
  5. Step 5: Solve for x
    x = 595,545,428,158.29/847,788.18
  6. Step 6: Final answer
    x = 702,469.61

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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.