Home / 777,731.60-1,166,597.40-216,766.10

Finding the Fourth Proportional to 777,731.60, 1,166,597.40 and 216,766.10

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Solution

The fourth proportional to 777,731.60, 1,166,597.40 and 216,766.10 is: 325,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,731.60 : 1,166,597.40 = 216,766.10 : x
  2. Step 2: Convert to fraction form
    777,731.60/1,166,597.40 = 216,766.10/x
  3. Step 3: Cross multiply
    777,731.60x = 1,166,597.40 × 216,766.10
  4. Step 4: Simplify right side
    777,731.60x = 252,878,768,668.14
  5. Step 5: Solve for x
    x = 252,878,768,668.14/777,731.60
  6. Step 6: Final answer
    x = 325,149.15

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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.