Home / 676,800.15-1,015,200.23-672,134.55

Finding the Fourth Proportional to 676,800.15, 1,015,200.23 and 672,134.55

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Solution

The fourth proportional to 676,800.15, 1,015,200.23 and 672,134.55 is: 1,008,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,800.15 : 1,015,200.23 = 672,134.55 : x
  2. Step 2: Convert to fraction form
    676,800.15/1,015,200.23 = 672,134.55/x
  3. Step 3: Cross multiply
    676,800.15x = 1,015,200.23 × 672,134.55
  4. Step 4: Simplify right side
    676,800.15x = 682,351,146,390.27
  5. Step 5: Solve for x
    x = 682,351,146,390.27/676,800.15
  6. Step 6: Final answer
    x = 1,008,201.83

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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.