Home / 772,765.30-1,159,135.80-211,799.80

Finding the Fourth Proportional to 772,765.30, 1,159,135.80 and 211,799.80

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Solution

The fourth proportional to 772,765.30, 1,159,135.80 and 211,799.80 is: 317,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,765.30 : 1,159,135.80 = 211,799.80 : x
  2. Step 2: Convert to fraction form
    772,765.30/1,159,135.80 = 211,799.80/x
  3. Step 3: Cross multiply
    772,765.30x = 1,159,135.80 × 211,799.80
  4. Step 4: Simplify right side
    772,765.30x = 245,504,730,612.84
  5. Step 5: Solve for x
    x = 245,504,730,612.84/772,765.30
  6. Step 6: Final answer
    x = 317,696.37

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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.