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Finding the Fourth Proportional to 898,403.70, 1,347,605.55 and 886,593.90

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Solution

The fourth proportional to 898,403.70, 1,347,605.55 and 886,593.90 is: 1,329,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,403.70 : 1,347,605.55 = 886,593.90 : x
  2. Step 2: Convert to fraction form
    898,403.70/1,347,605.55 = 886,593.90/x
  3. Step 3: Cross multiply
    898,403.70x = 1,347,605.55 × 886,593.90
  4. Step 4: Simplify right side
    898,403.70x = 1,194,778,860,236.15
  5. Step 5: Solve for x
    x = 1,194,778,860,236.15/898,403.70
  6. Step 6: Final answer
    x = 1,329,890.85

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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.