Home / 497,729.85-686,867.88-271,375.35

Finding the Fourth Proportional to 497,729.85, 686,867.88 and 271,375.35

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Solution

The fourth proportional to 497,729.85, 686,867.88 and 271,375.35 is: 374,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,729.85 : 686,867.88 = 271,375.35 : x
  2. Step 2: Convert to fraction form
    497,729.85/686,867.88 = 271,375.35/x
  3. Step 3: Cross multiply
    497,729.85x = 686,867.88 × 271,375.35
  4. Step 4: Simplify right side
    497,729.85x = 186,399,011,338.76
  5. Step 5: Solve for x
    x = 186,399,011,338.76/497,729.85
  6. Step 6: Final answer
    x = 374,498.36

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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.