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Finding the Fourth Proportional to 494,959.58, 681,989.14 and 333,534.28

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Solution

The fourth proportional to 494,959.58, 681,989.14 and 333,534.28 is: 459,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,959.58 : 681,989.14 = 333,534.28 : x
  2. Step 2: Convert to fraction form
    494,959.58/681,989.14 = 333,534.28/x
  3. Step 3: Cross multiply
    494,959.58x = 681,989.14 × 333,534.28
  4. Step 4: Simplify right side
    494,959.58x = 227,466,756,777.72
  5. Step 5: Solve for x
    x = 227,466,756,777.72/494,959.58
  6. Step 6: Final answer
    x = 459,566.33

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1.5x scale

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.