Home / 498,975.17-747,576.07-285,734.57

Finding the Fourth Proportional to 498,975.17, 747,576.07 and 285,734.57

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Solution

The fourth proportional to 498,975.17, 747,576.07 and 285,734.57 is: 428,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,975.17 : 747,576.07 = 285,734.57 : x
  2. Step 2: Convert to fraction form
    498,975.17/747,576.07 = 285,734.57/x
  3. Step 3: Cross multiply
    498,975.17x = 747,576.07 × 285,734.57
  4. Step 4: Simplify right side
    498,975.17x = 213,608,322,451.52
  5. Step 5: Solve for x
    x = 213,608,322,451.52/498,975.17
  6. Step 6: Final answer
    x = 428,094.10

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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.