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Finding the Fourth Proportional to 591,425.95, 816,167 and 336,777.13

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Solution

The fourth proportional to 591,425.95, 816,167 and 336,777.13 is: 464,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,425.95 : 816,167 = 336,777.13 : x
  2. Step 2: Convert to fraction form
    591,425.95/816,167 = 336,777.13/x
  3. Step 3: Cross multiply
    591,425.95x = 816,167 × 336,777.13
  4. Step 4: Simplify right side
    591,425.95x = 274,866,379,860.71
  5. Step 5: Solve for x
    x = 274,866,379,860.71/591,425.95
  6. Step 6: Final answer
    x = 464,751.98

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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.