Home / 749,121.46-1,123,837.71-250,472.50

Finding the Fourth Proportional to 749,121.46, 1,123,837.71 and 250,472.50

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Solution

The fourth proportional to 749,121.46, 1,123,837.71 and 250,472.50 is: 375,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,121.46 : 1,123,837.71 = 250,472.50 : x
  2. Step 2: Convert to fraction form
    749,121.46/1,123,837.71 = 250,472.50/x
  3. Step 3: Cross multiply
    749,121.46x = 1,123,837.71 × 250,472.50
  4. Step 4: Simplify right side
    749,121.46x = 281,490,440,817.98
  5. Step 5: Solve for x
    x = 281,490,440,817.98/749,121.46
  6. Step 6: Final answer
    x = 375,760.75

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1.5x scale

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.