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Finding the Fourth Proportional to 385,932.82, 578,199.38 and 377,534.74

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Solution

The fourth proportional to 385,932.82, 578,199.38 and 377,534.74 is: 565,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,932.82 : 578,199.38 = 377,534.74 : x
  2. Step 2: Convert to fraction form
    385,932.82/578,199.38 = 377,534.74/x
  3. Step 3: Cross multiply
    385,932.82x = 578,199.38 × 377,534.74
  4. Step 4: Simplify right side
    385,932.82x = 218,290,352,596.46
  5. Step 5: Solve for x
    x = 218,290,352,596.46/385,932.82
  6. Step 6: Final answer
    x = 565,617.49

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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.