Home / 500,462.98-690,639.21-271,022.04

Finding the Fourth Proportional to 500,462.98, 690,639.21 and 271,022.04

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Solution

The fourth proportional to 500,462.98, 690,639.21 and 271,022.04 is: 374,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,462.98 : 690,639.21 = 271,022.04 : x
  2. Step 2: Convert to fraction form
    500,462.98/690,639.21 = 271,022.04/x
  3. Step 3: Cross multiply
    500,462.98x = 690,639.21 × 271,022.04
  4. Step 4: Simplify right side
    500,462.98x = 187,178,447,598.19
  5. Step 5: Solve for x
    x = 187,178,447,598.19/500,462.98
  6. Step 6: Final answer
    x = 374,010.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.