Home / 979,687.54-1,469,546.88-372,485.10

Finding the Fourth Proportional to 979,687.54, 1,469,546.88 and 372,485.10

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Solution

The fourth proportional to 979,687.54, 1,469,546.88 and 372,485.10 is: 558,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,687.54 : 1,469,546.88 = 372,485.10 : x
  2. Step 2: Convert to fraction form
    979,687.54/1,469,546.88 = 372,485.10/x
  3. Step 3: Cross multiply
    979,687.54x = 1,469,546.88 × 372,485.10
  4. Step 4: Simplify right side
    979,687.54x = 547,384,316,551.49
  5. Step 5: Solve for x
    x = 547,384,316,551.49/979,687.54
  6. Step 6: Final answer
    x = 558,733.57

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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.