Home / 494,957.28-683,041.52-268,602.78

Finding the Fourth Proportional to 494,957.28, 683,041.52 and 268,602.78

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Solution

The fourth proportional to 494,957.28, 683,041.52 and 268,602.78 is: 370,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,957.28 : 683,041.52 = 268,602.78 : x
  2. Step 2: Convert to fraction form
    494,957.28/683,041.52 = 268,602.78/x
  3. Step 3: Cross multiply
    494,957.28x = 683,041.52 × 268,602.78
  4. Step 4: Simplify right side
    494,957.28x = 183,466,851,127.43
  5. Step 5: Solve for x
    x = 183,466,851,127.43/494,957.28
  6. Step 6: Final answer
    x = 370,672.09

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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.