Home / 815,114.70-1,223,593.65-482,877.90

Finding the Fourth Proportional to 815,114.70, 1,223,593.65 and 482,877.90

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Solution

The fourth proportional to 815,114.70, 1,223,593.65 and 482,877.90 is: 724,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,114.70 : 1,223,593.65 = 482,877.90 : x
  2. Step 2: Convert to fraction form
    815,114.70/1,223,593.65 = 482,877.90/x
  3. Step 3: Cross multiply
    815,114.70x = 1,223,593.65 × 482,877.90
  4. Step 4: Simplify right side
    815,114.70x = 590,846,332,165.34
  5. Step 5: Solve for x
    x = 590,846,332,165.34/815,114.70
  6. Step 6: Final answer
    x = 724,862.81

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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.