Home / 791,720.73-1,187,485.11-223,144.47

Finding the Fourth Proportional to 791,720.73, 1,187,485.11 and 223,144.47

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Solution

The fourth proportional to 791,720.73, 1,187,485.11 and 223,144.47 is: 334,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,720.73 : 1,187,485.11 = 223,144.47 : x
  2. Step 2: Convert to fraction form
    791,720.73/1,187,485.11 = 223,144.47/x
  3. Step 3: Cross multiply
    791,720.73x = 1,187,485.11 × 223,144.47
  4. Step 4: Simplify right side
    791,720.73x = 264,980,735,503.84
  5. Step 5: Solve for x
    x = 264,980,735,503.84/791,720.73
  6. Step 6: Final answer
    x = 334,689.65

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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.