Home / 917,350.80-1,376,026.20-664,096.20

Finding the Fourth Proportional to 917,350.80, 1,376,026.20 and 664,096.20

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Solution

The fourth proportional to 917,350.80, 1,376,026.20 and 664,096.20 is: 996,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,350.80 : 1,376,026.20 = 664,096.20 : x
  2. Step 2: Convert to fraction form
    917,350.80/1,376,026.20 = 664,096.20/x
  3. Step 3: Cross multiply
    917,350.80x = 1,376,026.20 × 664,096.20
  4. Step 4: Simplify right side
    917,350.80x = 913,813,770,520.44
  5. Step 5: Solve for x
    x = 913,813,770,520.44/917,350.80
  6. Step 6: Final answer
    x = 996,144.30

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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.