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Finding the Fourth Proportional to 598,669.76, 826,305.90 and 344,168.84

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Solution

The fourth proportional to 598,669.76, 826,305.90 and 344,168.84 is: 475,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,669.76 : 826,305.90 = 344,168.84 : x
  2. Step 2: Convert to fraction form
    598,669.76/826,305.90 = 344,168.84/x
  3. Step 3: Cross multiply
    598,669.76x = 826,305.90 × 344,168.84
  4. Step 4: Simplify right side
    598,669.76x = 284,388,743,088.16
  5. Step 5: Solve for x
    x = 284,388,743,088.16/598,669.76
  6. Step 6: Final answer
    x = 475,034.42

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1.5x scale

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.