Home / 988,527.53-1,482,791.49-278,463.30

Finding the Fourth Proportional to 988,527.53, 1,482,791.49 and 278,463.30

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Solution

The fourth proportional to 988,527.53, 1,482,791.49 and 278,463.30 is: 417,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,527.53 : 1,482,791.49 = 278,463.30 : x
  2. Step 2: Convert to fraction form
    988,527.53/1,482,791.49 = 278,463.30/x
  3. Step 3: Cross multiply
    988,527.53x = 1,482,791.49 × 278,463.30
  4. Step 4: Simplify right side
    988,527.53x = 412,903,011,517.32
  5. Step 5: Solve for x
    x = 412,903,011,517.32/988,527.53
  6. Step 6: Final answer
    x = 417,695.01

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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.