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Finding the Fourth Proportional to 474,887.96, 655,379.88 and 270,943.37

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Solution

The fourth proportional to 474,887.96, 655,379.88 and 270,943.37 is: 373,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,887.96 : 655,379.88 = 270,943.37 : x
  2. Step 2: Convert to fraction form
    474,887.96/655,379.88 = 270,943.37/x
  3. Step 3: Cross multiply
    474,887.96x = 655,379.88 × 270,943.37
  4. Step 4: Simplify right side
    474,887.96x = 177,570,833,317.40
  5. Step 5: Solve for x
    x = 177,570,833,317.40/474,887.96
  6. Step 6: Final answer
    x = 373,921.53

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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.