Home / 679,402.73-1,019,202.51-252,903.10

Finding the Fourth Proportional to 679,402.73, 1,019,202.51 and 252,903.10

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Solution

The fourth proportional to 679,402.73, 1,019,202.51 and 252,903.10 is: 379,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,402.73 : 1,019,202.51 = 252,903.10 : x
  2. Step 2: Convert to fraction form
    679,402.73/1,019,202.51 = 252,903.10/x
  3. Step 3: Cross multiply
    679,402.73x = 1,019,202.51 × 252,903.10
  4. Step 4: Simplify right side
    679,402.73x = 257,759,474,306.78
  5. Step 5: Solve for x
    x = 257,759,474,306.78/679,402.73
  6. Step 6: Final answer
    x = 379,391.28

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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.