Home / 887,687.47-1,331,540.93-256,606.75

Finding the Fourth Proportional to 887,687.47, 1,331,540.93 and 256,606.75

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Solution

The fourth proportional to 887,687.47, 1,331,540.93 and 256,606.75 is: 384,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,687.47 : 1,331,540.93 = 256,606.75 : x
  2. Step 2: Convert to fraction form
    887,687.47/1,331,540.93 = 256,606.75/x
  3. Step 3: Cross multiply
    887,687.47x = 1,331,540.93 × 256,606.75
  4. Step 4: Simplify right side
    887,687.47x = 341,682,390,539.28
  5. Step 5: Solve for x
    x = 341,682,390,539.28/887,687.47
  6. Step 6: Final answer
    x = 384,912.94

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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.