Home / 676,826.55-1,015,242.12-171,387.30

Finding the Fourth Proportional to 676,826.55, 1,015,242.12 and 171,387.30

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Solution

The fourth proportional to 676,826.55, 1,015,242.12 and 171,387.30 is: 257,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,826.55 : 1,015,242.12 = 171,387.30 : x
  2. Step 2: Convert to fraction form
    676,826.55/1,015,242.12 = 171,387.30/x
  3. Step 3: Cross multiply
    676,826.55x = 1,015,242.12 × 171,387.30
  4. Step 4: Simplify right side
    676,826.55x = 173,999,605,793.08
  5. Step 5: Solve for x
    x = 173,999,605,793.08/676,826.55
  6. Step 6: Final answer
    x = 257,081.53

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1.5x scale

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.