Home / 704,334.28-1,056,565.82-198,902.78

Finding the Fourth Proportional to 704,334.28, 1,056,565.82 and 198,902.78

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Solution

The fourth proportional to 704,334.28, 1,056,565.82 and 198,902.78 is: 298,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,334.28 : 1,056,565.82 = 198,902.78 : x
  2. Step 2: Convert to fraction form
    704,334.28/1,056,565.82 = 198,902.78/x
  3. Step 3: Cross multiply
    704,334.28x = 1,056,565.82 × 198,902.78
  4. Step 4: Simplify right side
    704,334.28x = 210,153,878,850.98
  5. Step 5: Solve for x
    x = 210,153,878,850.98/704,334.28
  6. Step 6: Final answer
    x = 298,372.36

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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.