Home / 865,954.70-1,298,701.65-266,914.70

Finding the Fourth Proportional to 865,954.70, 1,298,701.65 and 266,914.70

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Solution

The fourth proportional to 865,954.70, 1,298,701.65 and 266,914.70 is: 400,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,954.70 : 1,298,701.65 = 266,914.70 : x
  2. Step 2: Convert to fraction form
    865,954.70/1,298,701.65 = 266,914.70/x
  3. Step 3: Cross multiply
    865,954.70x = 1,298,701.65 × 266,914.70
  4. Step 4: Simplify right side
    865,954.70x = 346,642,561,299.26
  5. Step 5: Solve for x
    x = 346,642,561,299.26/865,954.70
  6. Step 6: Final answer
    x = 400,301.03

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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.