Home / 769,446.49-1,154,189.46-364,543.90

Finding the Fourth Proportional to 769,446.49, 1,154,189.46 and 364,543.90

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Solution

The fourth proportional to 769,446.49, 1,154,189.46 and 364,543.90 is: 546,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,446.49 : 1,154,189.46 = 364,543.90 : x
  2. Step 2: Convert to fraction form
    769,446.49/1,154,189.46 = 364,543.90/x
  3. Step 3: Cross multiply
    769,446.49x = 1,154,189.46 × 364,543.90
  4. Step 4: Simplify right side
    769,446.49x = 420,752,727,087.29
  5. Step 5: Solve for x
    x = 420,752,727,087.29/769,446.49
  6. Step 6: Final answer
    x = 546,825.20

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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.