Home / 966,509.80-1,449,764.70-256,609.60

Finding the Fourth Proportional to 966,509.80, 1,449,764.70 and 256,609.60

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Solution

The fourth proportional to 966,509.80, 1,449,764.70 and 256,609.60 is: 384,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,509.80 : 1,449,764.70 = 256,609.60 : x
  2. Step 2: Convert to fraction form
    966,509.80/1,449,764.70 = 256,609.60/x
  3. Step 3: Cross multiply
    966,509.80x = 1,449,764.70 × 256,609.60
  4. Step 4: Simplify right side
    966,509.80x = 372,023,539,761.12
  5. Step 5: Solve for x
    x = 372,023,539,761.12/966,509.80
  6. Step 6: Final answer
    x = 384,914.40

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Double scale
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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.