Home / 827,479.13-1,241,218.76-266,513.63

Finding the Fourth Proportional to 827,479.13, 1,241,218.76 and 266,513.63

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Solution

The fourth proportional to 827,479.13, 1,241,218.76 and 266,513.63 is: 399,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,479.13 : 1,241,218.76 = 266,513.63 : x
  2. Step 2: Convert to fraction form
    827,479.13/1,241,218.76 = 266,513.63/x
  3. Step 3: Cross multiply
    827,479.13x = 1,241,218.76 × 266,513.63
  4. Step 4: Simplify right side
    827,479.13x = 330,801,709,813.04
  5. Step 5: Solve for x
    x = 330,801,709,813.04/827,479.13
  6. Step 6: Final answer
    x = 399,770.46

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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.