Home / 879,219.70-1,318,645.00-247,985.89

Finding the Fourth Proportional to 879,219.70, 1,318,645.00 and 247,985.89

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Solution

The fourth proportional to 879,219.70, 1,318,645.00 and 247,985.89 is: 371,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,219.70 : 1,318,645.00 = 247,985.89 : x
  2. Step 2: Convert to fraction form
    879,219.70/1,318,645.00 = 247,985.89/x
  3. Step 3: Cross multiply
    879,219.70x = 1,318,645.00 × 247,985.89
  4. Step 4: Simplify right side
    879,219.70x = 327,005,350,932.42
  5. Step 5: Solve for x
    x = 327,005,350,932.42/879,219.70
  6. Step 6: Final answer
    x = 371,926.78

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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.