Home / 777,670.80-1,166,506.20-216,705.30

Finding the Fourth Proportional to 777,670.80, 1,166,506.20 and 216,705.30

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Solution

The fourth proportional to 777,670.80, 1,166,506.20 and 216,705.30 is: 325,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,670.80 : 1,166,506.20 = 216,705.30 : x
  2. Step 2: Convert to fraction form
    777,670.80/1,166,506.20 = 216,705.30/x
  3. Step 3: Cross multiply
    777,670.80x = 1,166,506.20 × 216,705.30
  4. Step 4: Simplify right side
    777,670.80x = 252,788,076,022.86
  5. Step 5: Solve for x
    x = 252,788,076,022.86/777,670.80
  6. Step 6: Final answer
    x = 325,057.95

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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.