Home / 500,450.98-690,624.23-271,008.37

Finding the Fourth Proportional to 500,450.98, 690,624.23 and 271,008.37

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Solution

The fourth proportional to 500,450.98, 690,624.23 and 271,008.37 is: 373,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,450.98 : 690,624.23 = 271,008.37 : x
  2. Step 2: Convert to fraction form
    500,450.98/690,624.23 = 271,008.37/x
  3. Step 3: Cross multiply
    500,450.98x = 690,624.23 × 271,008.37
  4. Step 4: Simplify right side
    500,450.98x = 187,164,946,854.81
  5. Step 5: Solve for x
    x = 187,164,946,854.81/500,450.98
  6. Step 6: Final answer
    x = 373,992.57

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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.