Home / 764,458.74-1,146,695.03-231,979.77

Finding the Fourth Proportional to 764,458.74, 1,146,695.03 and 231,979.77

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Solution

The fourth proportional to 764,458.74, 1,146,695.03 and 231,979.77 is: 347,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,458.74 : 1,146,695.03 = 231,979.77 : x
  2. Step 2: Convert to fraction form
    764,458.74/1,146,695.03 = 231,979.77/x
  3. Step 3: Cross multiply
    764,458.74x = 1,146,695.03 × 231,979.77
  4. Step 4: Simplify right side
    764,458.74x = 266,010,048,159.64
  5. Step 5: Solve for x
    x = 266,010,048,159.64/764,458.74
  6. Step 6: Final answer
    x = 347,971.75

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Half scale
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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.