Home / 865,877.24-1,298,937.78-266,886.68

Finding the Fourth Proportional to 865,877.24, 1,298,937.78 and 266,886.68

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Solution

The fourth proportional to 865,877.24, 1,298,937.78 and 266,886.68 is: 400,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,877.24 : 1,298,937.78 = 266,886.68 : x
  2. Step 2: Convert to fraction form
    865,877.24/1,298,937.78 = 266,886.68/x
  3. Step 3: Cross multiply
    865,877.24x = 1,298,937.78 × 266,886.68
  4. Step 4: Simplify right side
    865,877.24x = 346,669,191,630.77
  5. Step 5: Solve for x
    x = 346,669,191,630.77/865,877.24
  6. Step 6: Final answer
    x = 400,367.60

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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.