Home / 785,855.76-1,177,797.56-336,047.70

Finding the Fourth Proportional to 785,855.76, 1,177,797.56 and 336,047.70

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Solution

The fourth proportional to 785,855.76, 1,177,797.56 and 336,047.70 is: 503,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,855.76 : 1,177,797.56 = 336,047.70 : x
  2. Step 2: Convert to fraction form
    785,855.76/1,177,797.56 = 336,047.70/x
  3. Step 3: Cross multiply
    785,855.76x = 1,177,797.56 × 336,047.70
  4. Step 4: Simplify right side
    785,855.76x = 395,796,160,761.55
  5. Step 5: Solve for x
    x = 395,796,160,761.55/785,855.76
  6. Step 6: Final answer
    x = 503,649.88

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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.