Home / 494,934.60-682,926.59-288,246.70

Finding the Fourth Proportional to 494,934.60, 682,926.59 and 288,246.70

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Solution

The fourth proportional to 494,934.60, 682,926.59 and 288,246.70 is: 397,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,934.60 : 682,926.59 = 288,246.70 : x
  2. Step 2: Convert to fraction form
    494,934.60/682,926.59 = 288,246.70/x
  3. Step 3: Cross multiply
    494,934.60x = 682,926.59 × 288,246.70
  4. Step 4: Simplify right side
    494,934.60x = 196,851,337,484.03
  5. Step 5: Solve for x
    x = 196,851,337,484.03/494,934.60
  6. Step 6: Final answer
    x = 397,732.02

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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.