Home / 856,146.09-1,181,478.65-493,568.22

Finding the Fourth Proportional to 856,146.09, 1,181,478.65 and 493,568.22

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Solution

The fourth proportional to 856,146.09, 1,181,478.65 and 493,568.22 is: 681,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,146.09 : 1,181,478.65 = 493,568.22 : x
  2. Step 2: Convert to fraction form
    856,146.09/1,181,478.65 = 493,568.22/x
  3. Step 3: Cross multiply
    856,146.09x = 1,181,478.65 × 493,568.22
  4. Step 4: Simplify right side
    856,146.09x = 583,140,311,780.66
  5. Step 5: Solve for x
    x = 583,140,311,780.66/856,146.09
  6. Step 6: Final answer
    x = 681,122.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.