Home / 729,114.90-1,093,672.35-255,629.40

Finding the Fourth Proportional to 729,114.90, 1,093,672.35 and 255,629.40

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Solution

The fourth proportional to 729,114.90, 1,093,672.35 and 255,629.40 is: 383,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,114.90 : 1,093,672.35 = 255,629.40 : x
  2. Step 2: Convert to fraction form
    729,114.90/1,093,672.35 = 255,629.40/x
  3. Step 3: Cross multiply
    729,114.90x = 1,093,672.35 × 255,629.40
  4. Step 4: Simplify right side
    729,114.90x = 279,574,806,627.09
  5. Step 5: Solve for x
    x = 279,574,806,627.09/729,114.90
  6. Step 6: Final answer
    x = 383,444.10

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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.