Home / 712,449.88-1,068,676.98-172,704.02

Finding the Fourth Proportional to 712,449.88, 1,068,676.98 and 172,704.02

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Solution

The fourth proportional to 712,449.88, 1,068,676.98 and 172,704.02 is: 259,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,449.88 : 1,068,676.98 = 172,704.02 : x
  2. Step 2: Convert to fraction form
    712,449.88/1,068,676.98 = 172,704.02/x
  3. Step 3: Cross multiply
    712,449.88x = 1,068,676.98 × 172,704.02
  4. Step 4: Simplify right side
    712,449.88x = 184,564,810,527.46
  5. Step 5: Solve for x
    x = 184,564,810,527.46/712,449.88
  6. Step 6: Final answer
    x = 259,056.55

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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.