Home / 788,161.76-1,182,408.92-255,641.44

Finding the Fourth Proportional to 788,161.76, 1,182,408.92 and 255,641.44

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Solution

The fourth proportional to 788,161.76, 1,182,408.92 and 255,641.44 is: 383,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,161.76 : 1,182,408.92 = 255,641.44 : x
  2. Step 2: Convert to fraction form
    788,161.76/1,182,408.92 = 255,641.44/x
  3. Step 3: Cross multiply
    788,161.76x = 1,182,408.92 × 255,641.44
  4. Step 4: Simplify right side
    788,161.76x = 302,272,718,977.65
  5. Step 5: Solve for x
    x = 302,272,718,977.65/788,161.76
  6. Step 6: Final answer
    x = 383,516.09

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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.