Home / 979,612.80-1,467,604.80-557,635.20

Finding the Fourth Proportional to 979,612.80, 1,467,604.80 and 557,635.20

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Solution

The fourth proportional to 979,612.80, 1,467,604.80 and 557,635.20 is: 835,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,612.80 : 1,467,604.80 = 557,635.20 : x
  2. Step 2: Convert to fraction form
    979,612.80/1,467,604.80 = 557,635.20/x
  3. Step 3: Cross multiply
    979,612.80x = 1,467,604.80 × 557,635.20
  4. Step 4: Simplify right side
    979,612.80x = 818,388,096,168.96
  5. Step 5: Solve for x
    x = 818,388,096,168.96/979,612.80
  6. Step 6: Final answer
    x = 835,419.97

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Double scale
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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.