Home / 951,962.40-1,428,008.40-303,487.20

Finding the Fourth Proportional to 951,962.40, 1,428,008.40 and 303,487.20

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Solution

The fourth proportional to 951,962.40, 1,428,008.40 and 303,487.20 is: 455,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,962.40 : 1,428,008.40 = 303,487.20 : x
  2. Step 2: Convert to fraction form
    951,962.40/1,428,008.40 = 303,487.20/x
  3. Step 3: Cross multiply
    951,962.40x = 1,428,008.40 × 303,487.20
  4. Step 4: Simplify right side
    951,962.40x = 433,382,270,892.48
  5. Step 5: Solve for x
    x = 433,382,270,892.48/951,962.40
  6. Step 6: Final answer
    x = 455,251.46

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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.