Home / 689,565.66-1,034,146.41-268,741.02

Finding the Fourth Proportional to 689,565.66, 1,034,146.41 and 268,741.02

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Solution

The fourth proportional to 689,565.66, 1,034,146.41 and 268,741.02 is: 403,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,565.66 : 1,034,146.41 = 268,741.02 : x
  2. Step 2: Convert to fraction form
    689,565.66/1,034,146.41 = 268,741.02/x
  3. Step 3: Cross multiply
    689,565.66x = 1,034,146.41 × 268,741.02
  4. Step 4: Simplify right side
    689,565.66x = 277,917,561,052.74
  5. Step 5: Solve for x
    x = 277,917,561,052.74/689,565.66
  6. Step 6: Final answer
    x = 403,032.77

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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.