Home / 749,056-1,123,732.24-243,584.40

Finding the Fourth Proportional to 749,056, 1,123,732.24 and 243,584.40

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Solution

The fourth proportional to 749,056, 1,123,732.24 and 243,584.40 is: 365,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,056 : 1,123,732.24 = 243,584.40 : x
  2. Step 2: Convert to fraction form
    749,056/1,123,732.24 = 243,584.40/x
  3. Step 3: Cross multiply
    749,056x = 1,123,732.24 × 243,584.40
  4. Step 4: Simplify right side
    749,056x = 273,723,643,441.06
  5. Step 5: Solve for x
    x = 273,723,643,441.06/749,056
  6. Step 6: Final answer
    x = 365,424.81

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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.