Home / 931,713.45-1,285,734.78-523,832.55

Finding the Fourth Proportional to 931,713.45, 1,285,734.78 and 523,832.55

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Solution

The fourth proportional to 931,713.45, 1,285,734.78 and 523,832.55 is: 722,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,713.45 : 1,285,734.78 = 523,832.55 : x
  2. Step 2: Convert to fraction form
    931,713.45/1,285,734.78 = 523,832.55/x
  3. Step 3: Cross multiply
    931,713.45x = 1,285,734.78 × 523,832.55
  4. Step 4: Simplify right side
    931,713.45x = 673,509,728,431.09
  5. Step 5: Solve for x
    x = 673,509,728,431.09/931,713.45
  6. Step 6: Final answer
    x = 722,872.18

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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.