Home / 629,757.07-869,031.97-357,787.22

Finding the Fourth Proportional to 629,757.07, 869,031.97 and 357,787.22

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Solution

The fourth proportional to 629,757.07, 869,031.97 and 357,787.22 is: 493,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,757.07 : 869,031.97 = 357,787.22 : x
  2. Step 2: Convert to fraction form
    629,757.07/869,031.97 = 357,787.22/x
  3. Step 3: Cross multiply
    629,757.07x = 869,031.97 × 357,787.22
  4. Step 4: Simplify right side
    629,757.07x = 310,928,530,656.67
  5. Step 5: Solve for x
    x = 310,928,530,656.67/629,757.07
  6. Step 6: Final answer
    x = 493,727.73

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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.