Home / 522,743.82-784,022.04-138,495.24

Finding the Fourth Proportional to 522,743.82, 784,022.04 and 138,495.24

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Solution

The fourth proportional to 522,743.82, 784,022.04 and 138,495.24 is: 207,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,743.82 : 784,022.04 = 138,495.24 : x
  2. Step 2: Convert to fraction form
    522,743.82/784,022.04 = 138,495.24/x
  3. Step 3: Cross multiply
    522,743.82x = 784,022.04 × 138,495.24
  4. Step 4: Simplify right side
    522,743.82x = 108,583,320,595.09
  5. Step 5: Solve for x
    x = 108,583,320,595.09/522,743.82
  6. Step 6: Final answer
    x = 207,718.04

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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.