Home / 748,558.16-1,123,158.96-243,274.02

Finding the Fourth Proportional to 748,558.16, 1,123,158.96 and 243,274.02

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Solution

The fourth proportional to 748,558.16, 1,123,158.96 and 243,274.02 is: 365,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,558.16 : 1,123,158.96 = 243,274.02 : x
  2. Step 2: Convert to fraction form
    748,558.16/1,123,158.96 = 243,274.02/x
  3. Step 3: Cross multiply
    748,558.16x = 1,123,158.96 × 243,274.02
  4. Step 4: Simplify right side
    748,558.16x = 273,235,391,086.37
  5. Step 5: Solve for x
    x = 273,235,391,086.37/748,558.16
  6. Step 6: Final answer
    x = 365,015.58

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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.