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Finding the Fourth Proportional to 451,536.32, 622,894.56 and 288,269.12

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Solution

The fourth proportional to 451,536.32, 622,894.56 and 288,269.12 is: 397,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,536.32 : 622,894.56 = 288,269.12 : x
  2. Step 2: Convert to fraction form
    451,536.32/622,894.56 = 288,269.12/x
  3. Step 3: Cross multiply
    451,536.32x = 622,894.56 × 288,269.12
  4. Step 4: Simplify right side
    451,536.32x = 179,561,266,663.99
  5. Step 5: Solve for x
    x = 179,561,266,663.99/451,536.32
  6. Step 6: Final answer
    x = 397,667.38

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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.