Home / 676,865.40-1,015,298.10-203,623.80

Finding the Fourth Proportional to 676,865.40, 1,015,298.10 and 203,623.80

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Solution

The fourth proportional to 676,865.40, 1,015,298.10 and 203,623.80 is: 305,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,865.40 : 1,015,298.10 = 203,623.80 : x
  2. Step 2: Convert to fraction form
    676,865.40/1,015,298.10 = 203,623.80/x
  3. Step 3: Cross multiply
    676,865.40x = 1,015,298.10 × 203,623.80
  4. Step 4: Simplify right side
    676,865.40x = 206,738,857,254.78
  5. Step 5: Solve for x
    x = 206,738,857,254.78/676,865.40
  6. Step 6: Final answer
    x = 305,435.70

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Similar ratio
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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.