Home / 788,166-1,182,325.53-211,782.15

Finding the Fourth Proportional to 788,166, 1,182,325.53 and 211,782.15

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Solution

The fourth proportional to 788,166, 1,182,325.53 and 211,782.15 is: 317,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,166 : 1,182,325.53 = 211,782.15 : x
  2. Step 2: Convert to fraction form
    788,166/1,182,325.53 = 211,782.15/x
  3. Step 3: Cross multiply
    788,166x = 1,182,325.53 × 211,782.15
  4. Step 4: Simplify right side
    788,166x = 250,395,442,743.29
  5. Step 5: Solve for x
    x = 250,395,442,743.29/788,166
  6. Step 6: Final answer
    x = 317,693.79

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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.