Home / 951,817.59-1,428,100.23-418,965.08

Finding the Fourth Proportional to 951,817.59, 1,428,100.23 and 418,965.08

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Solution

The fourth proportional to 951,817.59, 1,428,100.23 and 418,965.08 is: 628,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,817.59 : 1,428,100.23 = 418,965.08 : x
  2. Step 2: Convert to fraction form
    951,817.59/1,428,100.23 = 418,965.08/x
  3. Step 3: Cross multiply
    951,817.59x = 1,428,100.23 × 418,965.08
  4. Step 4: Simplify right side
    951,817.59x = 598,324,119,969.47
  5. Step 5: Solve for x
    x = 598,324,119,969.47/951,817.59
  6. Step 6: Final answer
    x = 628,612.17

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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.