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Finding the Fourth Proportional to 454,102.64, 626,614.56 and 279,645.13

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Solution

The fourth proportional to 454,102.64, 626,614.56 and 279,645.13 is: 385,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,102.64 : 626,614.56 = 279,645.13 : x
  2. Step 2: Convert to fraction form
    454,102.64/626,614.56 = 279,645.13/x
  3. Step 3: Cross multiply
    454,102.64x = 626,614.56 × 279,645.13
  4. Step 4: Simplify right side
    454,102.64x = 175,229,708,524.56
  5. Step 5: Solve for x
    x = 175,229,708,524.56/454,102.64
  6. Step 6: Final answer
    x = 385,881.29

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1.5x scale

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.