Home / 815,665.56-1,125,364.50-471,376.02

Finding the Fourth Proportional to 815,665.56, 1,125,364.50 and 471,376.02

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Solution

The fourth proportional to 815,665.56, 1,125,364.50 and 471,376.02 is: 650,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,665.56 : 1,125,364.50 = 471,376.02 : x
  2. Step 2: Convert to fraction form
    815,665.56/1,125,364.50 = 471,376.02/x
  3. Step 3: Cross multiply
    815,665.56x = 1,125,364.50 × 471,376.02
  4. Step 4: Simplify right side
    815,665.56x = 530,469,839,059.29
  5. Step 5: Solve for x
    x = 530,469,839,059.29/815,665.56
  6. Step 6: Final answer
    x = 650,352.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.