Home / 814,186.14-1,221,282.33-340,539.22

Finding the Fourth Proportional to 814,186.14, 1,221,282.33 and 340,539.22

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Solution

The fourth proportional to 814,186.14, 1,221,282.33 and 340,539.22 is: 510,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,186.14 : 1,221,282.33 = 340,539.22 : x
  2. Step 2: Convert to fraction form
    814,186.14/1,221,282.33 = 340,539.22/x
  3. Step 3: Cross multiply
    814,186.14x = 1,221,282.33 × 340,539.22
  4. Step 4: Simplify right side
    814,186.14x = 415,894,532,057.98
  5. Step 5: Solve for x
    x = 415,894,532,057.98/814,186.14
  6. Step 6: Final answer
    x = 510,810.13

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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.