Home / 674,743.10-930,542.41-559,839.84

Finding the Fourth Proportional to 674,743.10, 930,542.41 and 559,839.84

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Solution

The fourth proportional to 674,743.10, 930,542.41 and 559,839.84 is: 772,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,743.10 : 930,542.41 = 559,839.84 : x
  2. Step 2: Convert to fraction form
    674,743.10/930,542.41 = 559,839.84/x
  3. Step 3: Cross multiply
    674,743.10x = 930,542.41 × 559,839.84
  4. Step 4: Simplify right side
    674,743.10x = 520,954,711,137.88
  5. Step 5: Solve for x
    x = 520,954,711,137.88/674,743.10
  6. Step 6: Final answer
    x = 772,078.61

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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.