Home / 494,384.77-740,729.61-331,974.39

Finding the Fourth Proportional to 494,384.77, 740,729.61 and 331,974.39

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Solution

The fourth proportional to 494,384.77, 740,729.61 and 331,974.39 is: 497,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,384.77 : 740,729.61 = 331,974.39 : x
  2. Step 2: Convert to fraction form
    494,384.77/740,729.61 = 331,974.39/x
  3. Step 3: Cross multiply
    494,384.77x = 740,729.61 × 331,974.39
  4. Step 4: Simplify right side
    494,384.77x = 245,903,260,434.69
  5. Step 5: Solve for x
    x = 245,903,260,434.69/494,384.77
  6. Step 6: Final answer
    x = 497,392.47

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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.