Home / 777,680.10-1,166,520.15-216,714.60

Finding the Fourth Proportional to 777,680.10, 1,166,520.15 and 216,714.60

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Solution

The fourth proportional to 777,680.10, 1,166,520.15 and 216,714.60 is: 325,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,680.10 : 1,166,520.15 = 216,714.60 : x
  2. Step 2: Convert to fraction form
    777,680.10/1,166,520.15 = 216,714.60/x
  3. Step 3: Cross multiply
    777,680.10x = 1,166,520.15 × 216,714.60
  4. Step 4: Simplify right side
    777,680.10x = 252,801,947,699.19
  5. Step 5: Solve for x
    x = 252,801,947,699.19/777,680.10
  6. Step 6: Final answer
    x = 325,071.90

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Similar ratio
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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.