Home / 788,149.77-1,182,390.87-255,629.44

Finding the Fourth Proportional to 788,149.77, 1,182,390.87 and 255,629.44

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Solution

The fourth proportional to 788,149.77, 1,182,390.87 and 255,629.44 is: 383,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,149.77 : 1,182,390.87 = 255,629.44 : x
  2. Step 2: Convert to fraction form
    788,149.77/1,182,390.87 = 255,629.44/x
  3. Step 3: Cross multiply
    788,149.77x = 1,182,390.87 × 255,629.44
  4. Step 4: Simplify right side
    788,149.77x = 302,253,915,959.21
  5. Step 5: Solve for x
    x = 302,253,915,959.21/788,149.77
  6. Step 6: Final answer
    x = 383,498.07

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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.