Home / 676,747.86-933,912.28-370,821.76

Finding the Fourth Proportional to 676,747.86, 933,912.28 and 370,821.76

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Solution

The fourth proportional to 676,747.86, 933,912.28 and 370,821.76 is: 511,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,747.86 : 933,912.28 = 370,821.76 : x
  2. Step 2: Convert to fraction form
    676,747.86/933,912.28 = 370,821.76/x
  3. Step 3: Cross multiply
    676,747.86x = 933,912.28 × 370,821.76
  4. Step 4: Simplify right side
    676,747.86x = 346,314,995,355.21
  5. Step 5: Solve for x
    x = 346,314,995,355.21/676,747.86
  6. Step 6: Final answer
    x = 511,734.16

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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.