Home / 400,685.84-552,961.36-228,631.82

Finding the Fourth Proportional to 400,685.84, 552,961.36 and 228,631.82

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Solution

The fourth proportional to 400,685.84, 552,961.36 and 228,631.82 is: 315,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,685.84 : 552,961.36 = 228,631.82 : x
  2. Step 2: Convert to fraction form
    400,685.84/552,961.36 = 228,631.82/x
  3. Step 3: Cross multiply
    400,685.84x = 552,961.36 × 228,631.82
  4. Step 4: Simplify right side
    400,685.84x = 126,424,562,126.48
  5. Step 5: Solve for x
    x = 126,424,562,126.48/400,685.84
  6. Step 6: Final answer
    x = 315,520.41

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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.