Home / 865,956.94-1,298,707.80-258,601.12

Finding the Fourth Proportional to 865,956.94, 1,298,707.80 and 258,601.12

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Solution

The fourth proportional to 865,956.94, 1,298,707.80 and 258,601.12 is: 387,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,956.94 : 1,298,707.80 = 258,601.12 : x
  2. Step 2: Convert to fraction form
    865,956.94/1,298,707.80 = 258,601.12/x
  3. Step 3: Cross multiply
    865,956.94x = 1,298,707.80 × 258,601.12
  4. Step 4: Simplify right side
    865,956.94x = 335,847,291,632.74
  5. Step 5: Solve for x
    x = 335,847,291,632.74/865,956.94
  6. Step 6: Final answer
    x = 387,833.71

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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.