Home / 790,697.64-1,186,046.62-285,258.45

Finding the Fourth Proportional to 790,697.64, 1,186,046.62 and 285,258.45

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Solution

The fourth proportional to 790,697.64, 1,186,046.62 and 285,258.45 is: 427,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,697.64 : 1,186,046.62 = 285,258.45 : x
  2. Step 2: Convert to fraction form
    790,697.64/1,186,046.62 = 285,258.45/x
  3. Step 3: Cross multiply
    790,697.64x = 1,186,046.62 × 285,258.45
  4. Step 4: Simplify right side
    790,697.64x = 338,329,819,022.65
  5. Step 5: Solve for x
    x = 338,329,819,022.65/790,697.64
  6. Step 6: Final answer
    x = 427,887.73

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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.