Home / 865,843.32-1,298,935.08-266,702.52

Finding the Fourth Proportional to 865,843.32, 1,298,935.08 and 266,702.52

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Solution

The fourth proportional to 865,843.32, 1,298,935.08 and 266,702.52 is: 400,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,843.32 : 1,298,935.08 = 266,702.52 : x
  2. Step 2: Convert to fraction form
    865,843.32/1,298,935.08 = 266,702.52/x
  3. Step 3: Cross multiply
    865,843.32x = 1,298,935.08 × 266,702.52
  4. Step 4: Simplify right side
    865,843.32x = 346,429,259,152.40
  5. Step 5: Solve for x
    x = 346,429,259,152.40/865,843.32
  6. Step 6: Final answer
    x = 400,106.18

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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.