Home / 955,004.90-1,432,351.66-280,928.56

Finding the Fourth Proportional to 955,004.90, 1,432,351.66 and 280,928.56

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Solution

The fourth proportional to 955,004.90, 1,432,351.66 and 280,928.56 is: 421,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,004.90 : 1,432,351.66 = 280,928.56 : x
  2. Step 2: Convert to fraction form
    955,004.90/1,432,351.66 = 280,928.56/x
  3. Step 3: Cross multiply
    955,004.90x = 1,432,351.66 × 280,928.56
  4. Step 4: Simplify right side
    955,004.90x = 402,388,489,257.41
  5. Step 5: Solve for x
    x = 402,388,489,257.41/955,004.90
  6. Step 6: Final answer
    x = 421,347.04

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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.