Home / 766,096.40-1,149,145.08-366,643.28

Finding the Fourth Proportional to 766,096.40, 1,149,145.08 and 366,643.28

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Solution

The fourth proportional to 766,096.40, 1,149,145.08 and 366,643.28 is: 549,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,096.40 : 1,149,145.08 = 366,643.28 : x
  2. Step 2: Convert to fraction form
    766,096.40/1,149,145.08 = 366,643.28/x
  3. Step 3: Cross multiply
    766,096.40x = 1,149,145.08 × 366,643.28
  4. Step 4: Simplify right side
    766,096.40x = 421,326,321,327.06
  5. Step 5: Solve for x
    x = 421,326,321,327.06/766,096.40
  6. Step 6: Final answer
    x = 549,965.15

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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.