Home / 419,734.56-579,327.19-266,742.92

Finding the Fourth Proportional to 419,734.56, 579,327.19 and 266,742.92

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Solution

The fourth proportional to 419,734.56, 579,327.19 and 266,742.92 is: 368,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,734.56 : 579,327.19 = 266,742.92 : x
  2. Step 2: Convert to fraction form
    419,734.56/579,327.19 = 266,742.92/x
  3. Step 3: Cross multiply
    419,734.56x = 579,327.19 × 266,742.92
  4. Step 4: Simplify right side
    419,734.56x = 154,531,427,077.46
  5. Step 5: Solve for x
    x = 154,531,427,077.46/419,734.56
  6. Step 6: Final answer
    x = 368,164.65

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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.