Home / 788,172.12-1,182,424.14-255,651.48

Finding the Fourth Proportional to 788,172.12, 1,182,424.14 and 255,651.48

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Solution

The fourth proportional to 788,172.12, 1,182,424.14 and 255,651.48 is: 383,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,172.12 : 1,182,424.14 = 255,651.48 : x
  2. Step 2: Convert to fraction form
    788,172.12/1,182,424.14 = 255,651.48/x
  3. Step 3: Cross multiply
    788,172.12x = 1,182,424.14 × 255,651.48
  4. Step 4: Simplify right side
    788,172.12x = 302,288,481,378.73
  5. Step 5: Solve for x
    x = 302,288,481,378.73/788,172.12
  6. Step 6: Final answer
    x = 383,531.05

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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.