Home / 862,268.51-1,293,956.35-578,279.74

Finding the Fourth Proportional to 862,268.51, 1,293,956.35 and 578,279.74

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Solution

The fourth proportional to 862,268.51, 1,293,956.35 and 578,279.74 is: 867,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,268.51 : 1,293,956.35 = 578,279.74 : x
  2. Step 2: Convert to fraction form
    862,268.51/1,293,956.35 = 578,279.74/x
  3. Step 3: Cross multiply
    862,268.51x = 1,293,956.35 × 578,279.74
  4. Step 4: Simplify right side
    862,268.51x = 748,268,741,649.35
  5. Step 5: Solve for x
    x = 748,268,741,649.35/862,268.51
  6. Step 6: Final answer
    x = 867,790.87

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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.