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Finding the Fourth Proportional to 642,229.84, 963,027.24 and 376,057.36

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Solution

The fourth proportional to 642,229.84, 963,027.24 and 376,057.36 is: 563,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,229.84 : 963,027.24 = 376,057.36 : x
  2. Step 2: Convert to fraction form
    642,229.84/963,027.24 = 376,057.36/x
  3. Step 3: Cross multiply
    642,229.84x = 963,027.24 × 376,057.36
  4. Step 4: Simplify right side
    642,229.84x = 362,153,481,482.49
  5. Step 5: Solve for x
    x = 362,153,481,482.49/642,229.84
  6. Step 6: Final answer
    x = 563,900.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.