Home / 815,770.35-1,125,943.15-453,318.84

Finding the Fourth Proportional to 815,770.35, 1,125,943.15 and 453,318.84

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Solution

The fourth proportional to 815,770.35, 1,125,943.15 and 453,318.84 is: 625,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,770.35 : 1,125,943.15 = 453,318.84 : x
  2. Step 2: Convert to fraction form
    815,770.35/1,125,943.15 = 453,318.84/x
  3. Step 3: Cross multiply
    815,770.35x = 1,125,943.15 × 453,318.84
  4. Step 4: Simplify right side
    815,770.35x = 510,411,247,452.88
  5. Step 5: Solve for x
    x = 510,411,247,452.88/815,770.35
  6. Step 6: Final answer
    x = 625,680.06

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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.