Home / 788,351.52-1,182,551.76-308,560.80

Finding the Fourth Proportional to 788,351.52, 1,182,551.76 and 308,560.80

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Solution

The fourth proportional to 788,351.52, 1,182,551.76 and 308,560.80 is: 462,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,351.52 : 1,182,551.76 = 308,560.80 : x
  2. Step 2: Convert to fraction form
    788,351.52/1,182,551.76 = 308,560.80/x
  3. Step 3: Cross multiply
    788,351.52x = 1,182,551.76 × 308,560.80
  4. Step 4: Simplify right side
    788,351.52x = 364,889,117,107.01
  5. Step 5: Solve for x
    x = 364,889,117,107.01/788,351.52
  6. Step 6: Final answer
    x = 462,850.78

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1.5x scale

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.