Home / 675,309.72-1,012,710.35-275,736.62

Finding the Fourth Proportional to 675,309.72, 1,012,710.35 and 275,736.62

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Solution

The fourth proportional to 675,309.72, 1,012,710.35 and 275,736.62 is: 413,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,309.72 : 1,012,710.35 = 275,736.62 : x
  2. Step 2: Convert to fraction form
    675,309.72/1,012,710.35 = 275,736.62/x
  3. Step 3: Cross multiply
    675,309.72x = 1,012,710.35 × 275,736.62
  4. Step 4: Simplify right side
    675,309.72x = 279,241,330,618.12
  5. Step 5: Solve for x
    x = 279,241,330,618.12/675,309.72
  6. Step 6: Final answer
    x = 413,501.13

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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.