Home / 768,243.54-1,060,184.13-428,704.50

Finding the Fourth Proportional to 768,243.54, 1,060,184.13 and 428,704.50

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Solution

The fourth proportional to 768,243.54, 1,060,184.13 and 428,704.50 is: 591,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,243.54 : 1,060,184.13 = 428,704.50 : x
  2. Step 2: Convert to fraction form
    768,243.54/1,060,184.13 = 428,704.50/x
  3. Step 3: Cross multiply
    768,243.54x = 1,060,184.13 × 428,704.50
  4. Step 4: Simplify right side
    768,243.54x = 454,505,707,359.59
  5. Step 5: Solve for x
    x = 454,505,707,359.59/768,243.54
  6. Step 6: Final answer
    x = 591,616.70

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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.