Home / 676,777.59-1,015,392.56-221,389.61

Finding the Fourth Proportional to 676,777.59, 1,015,392.56 and 221,389.61

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Solution

The fourth proportional to 676,777.59, 1,015,392.56 and 221,389.61 is: 332,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,777.59 : 1,015,392.56 = 221,389.61 : x
  2. Step 2: Convert to fraction form
    676,777.59/1,015,392.56 = 221,389.61/x
  3. Step 3: Cross multiply
    676,777.59x = 1,015,392.56 × 221,389.61
  4. Step 4: Simplify right side
    676,777.59x = 224,797,356,671.39
  5. Step 5: Solve for x
    x = 224,797,356,671.39/676,777.59
  6. Step 6: Final answer
    x = 332,158.39

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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.