Home / 702,394.42-1,053,164.98-275,418.72

Finding the Fourth Proportional to 702,394.42, 1,053,164.98 and 275,418.72

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Solution

The fourth proportional to 702,394.42, 1,053,164.98 and 275,418.72 is: 412,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,394.42 : 1,053,164.98 = 275,418.72 : x
  2. Step 2: Convert to fraction form
    702,394.42/1,053,164.98 = 275,418.72/x
  3. Step 3: Cross multiply
    702,394.42x = 1,053,164.98 × 275,418.72
  4. Step 4: Simplify right side
    702,394.42x = 290,061,356,074.59
  5. Step 5: Solve for x
    x = 290,061,356,074.59/702,394.42
  6. Step 6: Final answer
    x = 412,960.79

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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.