Home / 865,858.32-1,298,957.58-266,717.52

Finding the Fourth Proportional to 865,858.32, 1,298,957.58 and 266,717.52

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Solution

The fourth proportional to 865,858.32, 1,298,957.58 and 266,717.52 is: 400,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,858.32 : 1,298,957.58 = 266,717.52 : x
  2. Step 2: Convert to fraction form
    865,858.32/1,298,957.58 = 266,717.52/x
  3. Step 3: Cross multiply
    865,858.32x = 1,298,957.58 × 266,717.52
  4. Step 4: Simplify right side
    865,858.32x = 346,454,744,322.80
  5. Step 5: Solve for x
    x = 346,454,744,322.80/865,858.32
  6. Step 6: Final answer
    x = 400,128.68

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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.