Home / 676,820.55-1,015,233.12-171,381.30

Finding the Fourth Proportional to 676,820.55, 1,015,233.12 and 171,381.30

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Solution

The fourth proportional to 676,820.55, 1,015,233.12 and 171,381.30 is: 257,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,820.55 : 1,015,233.12 = 171,381.30 : x
  2. Step 2: Convert to fraction form
    676,820.55/1,015,233.12 = 171,381.30/x
  3. Step 3: Cross multiply
    676,820.55x = 1,015,233.12 × 171,381.30
  4. Step 4: Simplify right side
    676,820.55x = 173,991,968,101.53
  5. Step 5: Solve for x
    x = 173,991,968,101.53/676,820.55
  6. Step 6: Final answer
    x = 257,072.52

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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.