Home / 749,121.21-1,123,837.34-250,472.25

Finding the Fourth Proportional to 749,121.21, 1,123,837.34 and 250,472.25

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Solution

The fourth proportional to 749,121.21, 1,123,837.34 and 250,472.25 is: 375,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,121.21 : 1,123,837.34 = 250,472.25 : x
  2. Step 2: Convert to fraction form
    749,121.21/1,123,837.34 = 250,472.25/x
  3. Step 3: Cross multiply
    749,121.21x = 1,123,837.34 × 250,472.25
  4. Step 4: Simplify right side
    749,121.21x = 281,490,065,931.45
  5. Step 5: Solve for x
    x = 281,490,065,931.45/749,121.21
  6. Step 6: Final answer
    x = 375,760.37

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Half scale
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Double scale
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Similar ratio
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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.