Home / 698,361.27-1,047,113.17-271,398.55

Finding the Fourth Proportional to 698,361.27, 1,047,113.17 and 271,398.55

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Solution

The fourth proportional to 698,361.27, 1,047,113.17 and 271,398.55 is: 406,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,361.27 : 1,047,113.17 = 271,398.55 : x
  2. Step 2: Convert to fraction form
    698,361.27/1,047,113.17 = 271,398.55/x
  3. Step 3: Cross multiply
    698,361.27x = 1,047,113.17 × 271,398.55
  4. Step 4: Simplify right side
    698,361.27x = 284,184,996,023.90
  5. Step 5: Solve for x
    x = 284,184,996,023.90/698,361.27
  6. Step 6: Final answer
    x = 406,931.21

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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.