Home / 960,009.84-1,439,956.08-399,049.20

Finding the Fourth Proportional to 960,009.84, 1,439,956.08 and 399,049.20

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Solution

The fourth proportional to 960,009.84, 1,439,956.08 and 399,049.20 is: 598,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,009.84 : 1,439,956.08 = 399,049.20 : x
  2. Step 2: Convert to fraction form
    960,009.84/1,439,956.08 = 399,049.20/x
  3. Step 3: Cross multiply
    960,009.84x = 1,439,956.08 × 399,049.20
  4. Step 4: Simplify right side
    960,009.84x = 574,613,321,759.14
  5. Step 5: Solve for x
    x = 574,613,321,759.14/960,009.84
  6. Step 6: Final answer
    x = 598,549.41

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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.