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Finding the Fourth Proportional to 360,046.80, 539,563.08 and 275,479.56

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Solution

The fourth proportional to 360,046.80, 539,563.08 and 275,479.56 is: 412,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,046.80 : 539,563.08 = 275,479.56 : x
  2. Step 2: Convert to fraction form
    360,046.80/539,563.08 = 275,479.56/x
  3. Step 3: Cross multiply
    360,046.80x = 539,563.08 × 275,479.56
  4. Step 4: Simplify right side
    360,046.80x = 148,638,599,870.65
  5. Step 5: Solve for x
    x = 148,638,599,870.65/360,046.80
  6. Step 6: Final answer
    x = 412,831.33

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1.5x scale

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.