Home / 846,085.08-1,268,496.36-509,046.78

Finding the Fourth Proportional to 846,085.08, 1,268,496.36 and 509,046.78

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Solution

The fourth proportional to 846,085.08, 1,268,496.36 and 509,046.78 is: 763,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,085.08 : 1,268,496.36 = 509,046.78 : x
  2. Step 2: Convert to fraction form
    846,085.08/1,268,496.36 = 509,046.78/x
  3. Step 3: Cross multiply
    846,085.08x = 1,268,496.36 × 509,046.78
  4. Step 4: Simplify right side
    846,085.08x = 645,723,987,499.72
  5. Step 5: Solve for x
    x = 645,723,987,499.72/846,085.08
  6. Step 6: Final answer
    x = 763,190.37

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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.