Home / 982,715.19-1,474,072.34-272,743.02

Finding the Fourth Proportional to 982,715.19, 1,474,072.34 and 272,743.02

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Solution

The fourth proportional to 982,715.19, 1,474,072.34 and 272,743.02 is: 409,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,715.19 : 1,474,072.34 = 272,743.02 : x
  2. Step 2: Convert to fraction form
    982,715.19/1,474,072.34 = 272,743.02/x
  3. Step 3: Cross multiply
    982,715.19x = 1,474,072.34 × 272,743.02
  4. Step 4: Simplify right side
    982,715.19x = 402,042,940,346.35
  5. Step 5: Solve for x
    x = 402,042,940,346.35/982,715.19
  6. Step 6: Final answer
    x = 409,114.41

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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.