Home / 454,223.28-626,828.16-263,347.44

Finding the Fourth Proportional to 454,223.28, 626,828.16 and 263,347.44

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Solution

The fourth proportional to 454,223.28, 626,828.16 and 263,347.44 is: 363,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,223.28 : 626,828.16 = 263,347.44 : x
  2. Step 2: Convert to fraction form
    454,223.28/626,828.16 = 263,347.44/x
  3. Step 3: Cross multiply
    454,223.28x = 626,828.16 × 263,347.44
  4. Step 4: Simplify right side
    454,223.28x = 165,073,591,255.91
  5. Step 5: Solve for x
    x = 165,073,591,255.91/454,223.28
  6. Step 6: Final answer
    x = 363,419.49

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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.