Home / 853,898.62-1,280,801.76-433,163.56

Finding the Fourth Proportional to 853,898.62, 1,280,801.76 and 433,163.56

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Solution

The fourth proportional to 853,898.62, 1,280,801.76 and 433,163.56 is: 649,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,898.62 : 1,280,801.76 = 433,163.56 : x
  2. Step 2: Convert to fraction form
    853,898.62/1,280,801.76 = 433,163.56/x
  3. Step 3: Cross multiply
    853,898.62x = 1,280,801.76 × 433,163.56
  4. Step 4: Simplify right side
    853,898.62x = 554,796,650,015.87
  5. Step 5: Solve for x
    x = 554,796,650,015.87/853,898.62
  6. Step 6: Final answer
    x = 649,721.92

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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.