Home / 955,021.56-1,432,376.55-280,945.27

Finding the Fourth Proportional to 955,021.56, 1,432,376.55 and 280,945.27

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Solution

The fourth proportional to 955,021.56, 1,432,376.55 and 280,945.27 is: 421,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,021.56 : 1,432,376.55 = 280,945.27 : x
  2. Step 2: Convert to fraction form
    955,021.56/1,432,376.55 = 280,945.27/x
  3. Step 3: Cross multiply
    955,021.56x = 1,432,376.55 × 280,945.27
  4. Step 4: Simplify right side
    955,021.56x = 402,419,419,425.43
  5. Step 5: Solve for x
    x = 402,419,419,425.43/955,021.56
  6. Step 6: Final answer
    x = 421,372.08

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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.