Home / 764,892.16-1,147,860.96-266,256.16

Finding the Fourth Proportional to 764,892.16, 1,147,860.96 and 266,256.16

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Solution

The fourth proportional to 764,892.16, 1,147,860.96 and 266,256.16 is: 399,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,892.16 : 1,147,860.96 = 266,256.16 : x
  2. Step 2: Convert to fraction form
    764,892.16/1,147,860.96 = 266,256.16/x
  3. Step 3: Cross multiply
    764,892.16x = 1,147,860.96 × 266,256.16
  4. Step 4: Simplify right side
    764,892.16x = 305,625,051,423.51
  5. Step 5: Solve for x
    x = 305,625,051,423.51/764,892.16
  6. Step 6: Final answer
    x = 399,566.20

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Double scale
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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.