Home / 869,441.80-1,304,162.70-603,721.30

Finding the Fourth Proportional to 869,441.80, 1,304,162.70 and 603,721.30

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Solution

The fourth proportional to 869,441.80, 1,304,162.70 and 603,721.30 is: 905,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,441.80 : 1,304,162.70 = 603,721.30 : x
  2. Step 2: Convert to fraction form
    869,441.80/1,304,162.70 = 603,721.30/x
  3. Step 3: Cross multiply
    869,441.80x = 1,304,162.70 × 603,721.30
  4. Step 4: Simplify right side
    869,441.80x = 787,350,800,655.51
  5. Step 5: Solve for x
    x = 787,350,800,655.51/869,441.80
  6. Step 6: Final answer
    x = 905,581.95

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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.