Home / 797,801.52-1,105,623.78-782,662.02

Finding the Fourth Proportional to 797,801.52, 1,105,623.78 and 782,662.02

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Solution

The fourth proportional to 797,801.52, 1,105,623.78 and 782,662.02 is: 1,084,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,801.52 : 1,105,623.78 = 782,662.02 : x
  2. Step 2: Convert to fraction form
    797,801.52/1,105,623.78 = 782,662.02/x
  3. Step 3: Cross multiply
    797,801.52x = 1,105,623.78 × 782,662.02
  4. Step 4: Simplify right side
    797,801.52x = 865,329,741,014.84
  5. Step 5: Solve for x
    x = 865,329,741,014.84/797,801.52
  6. Step 6: Final answer
    x = 1,084,642.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.