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Finding the Fourth Proportional to 475,313.88, 655,687.84 and 322,300.32

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Solution

The fourth proportional to 475,313.88, 655,687.84 and 322,300.32 is: 444,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,313.88 : 655,687.84 = 322,300.32 : x
  2. Step 2: Convert to fraction form
    475,313.88/655,687.84 = 322,300.32/x
  3. Step 3: Cross multiply
    475,313.88x = 655,687.84 × 322,300.32
  4. Step 4: Simplify right side
    475,313.88x = 211,328,400,652.11
  5. Step 5: Solve for x
    x = 211,328,400,652.11/475,313.88
  6. Step 6: Final answer
    x = 444,608.10

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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.