Home / 667,947.25-921,825.53-366,199.57

Finding the Fourth Proportional to 667,947.25, 921,825.53 and 366,199.57

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Solution

The fourth proportional to 667,947.25, 921,825.53 and 366,199.57 is: 505,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,947.25 : 921,825.53 = 366,199.57 : x
  2. Step 2: Convert to fraction form
    667,947.25/921,825.53 = 366,199.57/x
  3. Step 3: Cross multiply
    667,947.25x = 921,825.53 × 366,199.57
  4. Step 4: Simplify right side
    667,947.25x = 337,572,112,701.02
  5. Step 5: Solve for x
    x = 337,572,112,701.02/667,947.25
  6. Step 6: Final answer
    x = 505,387.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.