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Finding the Fourth Proportional to 376,827.28, 519,501.92 and 300,604.88

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Solution

The fourth proportional to 376,827.28, 519,501.92 and 300,604.88 is: 414,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,827.28 : 519,501.92 = 300,604.88 : x
  2. Step 2: Convert to fraction form
    376,827.28/519,501.92 = 300,604.88/x
  3. Step 3: Cross multiply
    376,827.28x = 519,501.92 × 300,604.88
  4. Step 4: Simplify right side
    376,827.28x = 156,164,812,321.37
  5. Step 5: Solve for x
    x = 156,164,812,321.37/376,827.28
  6. Step 6: Final answer
    x = 414,420.14

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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.