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Finding the Fourth Proportional to 500,887.28, 751,093.08 and 290,589.68

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Solution

The fourth proportional to 500,887.28, 751,093.08 and 290,589.68 is: 435,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,887.28 : 751,093.08 = 290,589.68 : x
  2. Step 2: Convert to fraction form
    500,887.28/751,093.08 = 290,589.68/x
  3. Step 3: Cross multiply
    500,887.28x = 751,093.08 × 290,589.68
  4. Step 4: Simplify right side
    500,887.28x = 218,259,897,767.41
  5. Step 5: Solve for x
    x = 218,259,897,767.41/500,887.28
  6. Step 6: Final answer
    x = 435,746.54

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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.