Home / 785,342.79-1,083,744.23-479,930.27

Finding the Fourth Proportional to 785,342.79, 1,083,744.23 and 479,930.27

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Solution

The fourth proportional to 785,342.79, 1,083,744.23 and 479,930.27 is: 662,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,342.79 : 1,083,744.23 = 479,930.27 : x
  2. Step 2: Convert to fraction form
    785,342.79/1,083,744.23 = 479,930.27/x
  3. Step 3: Cross multiply
    785,342.79x = 1,083,744.23 × 479,930.27
  4. Step 4: Simplify right side
    785,342.79x = 520,121,653,096.47
  5. Step 5: Solve for x
    x = 520,121,653,096.47/785,342.79
  6. Step 6: Final answer
    x = 662,286.15

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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.