Home / 500,567.33-690,777.42-271,118.91

Finding the Fourth Proportional to 500,567.33, 690,777.42 and 271,118.91

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Solution

The fourth proportional to 500,567.33, 690,777.42 and 271,118.91 is: 374,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,567.33 : 690,777.42 = 271,118.91 : x
  2. Step 2: Convert to fraction form
    500,567.33/690,777.42 = 271,118.91/x
  3. Step 3: Cross multiply
    500,567.33x = 690,777.42 × 271,118.91
  4. Step 4: Simplify right side
    500,567.33x = 187,282,816,908.30
  5. Step 5: Solve for x
    x = 187,282,816,908.30/500,567.33
  6. Step 6: Final answer
    x = 374,141.11

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1.5x scale

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.