Home / 675,020.80-1,012,532.18-275,661.57

Finding the Fourth Proportional to 675,020.80, 1,012,532.18 and 275,661.57

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Solution

The fourth proportional to 675,020.80, 1,012,532.18 and 275,661.57 is: 413,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,020.80 : 1,012,532.18 = 275,661.57 : x
  2. Step 2: Convert to fraction form
    675,020.80/1,012,532.18 = 275,661.57/x
  3. Step 3: Cross multiply
    675,020.80x = 1,012,532.18 × 275,661.57
  4. Step 4: Simplify right side
    675,020.80x = 279,116,207,848.54
  5. Step 5: Solve for x
    x = 279,116,207,848.54/675,020.80
  6. Step 6: Final answer
    x = 413,492.75

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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.