Home / 772,843.30-1,159,043.42-260,452.65

Finding the Fourth Proportional to 772,843.30, 1,159,043.42 and 260,452.65

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Solution

The fourth proportional to 772,843.30, 1,159,043.42 and 260,452.65 is: 390,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,843.30 : 1,159,043.42 = 260,452.65 : x
  2. Step 2: Convert to fraction form
    772,843.30/1,159,043.42 = 260,452.65/x
  3. Step 3: Cross multiply
    772,843.30x = 1,159,043.42 × 260,452.65
  4. Step 4: Simplify right side
    772,843.30x = 301,875,923,106.58
  5. Step 5: Solve for x
    x = 301,875,923,106.58/772,843.30
  6. Step 6: Final answer
    x = 390,604.31

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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.