Home / 918,219.80-1,377,329.70-664,309.10

Finding the Fourth Proportional to 918,219.80, 1,377,329.70 and 664,309.10

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Solution

The fourth proportional to 918,219.80, 1,377,329.70 and 664,309.10 is: 996,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,219.80 : 1,377,329.70 = 664,309.10 : x
  2. Step 2: Convert to fraction form
    918,219.80/1,377,329.70 = 664,309.10/x
  3. Step 3: Cross multiply
    918,219.80x = 1,377,329.70 × 664,309.10
  4. Step 4: Simplify right side
    918,219.80x = 914,972,653,410.27
  5. Step 5: Solve for x
    x = 914,972,653,410.27/918,219.80
  6. Step 6: Final answer
    x = 996,463.65

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Similar ratio
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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.