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Finding the Fourth Proportional to 601,832.80, 830,151.60 and 387,251.68

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Solution

The fourth proportional to 601,832.80, 830,151.60 and 387,251.68 is: 534,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,832.80 : 830,151.60 = 387,251.68 : x
  2. Step 2: Convert to fraction form
    601,832.80/830,151.60 = 387,251.68/x
  3. Step 3: Cross multiply
    601,832.80x = 830,151.60 × 387,251.68
  4. Step 4: Simplify right side
    601,832.80x = 321,477,601,754.69
  5. Step 5: Solve for x
    x = 321,477,601,754.69/601,832.80
  6. Step 6: Final answer
    x = 534,164.31

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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.