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Finding the Fourth Proportional to 637,744.43, 880,087.28 and 351,264.51

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Solution

The fourth proportional to 637,744.43, 880,087.28 and 351,264.51 is: 484,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,744.43 : 880,087.28 = 351,264.51 : x
  2. Step 2: Convert to fraction form
    637,744.43/880,087.28 = 351,264.51/x
  3. Step 3: Cross multiply
    637,744.43x = 880,087.28 × 351,264.51
  4. Step 4: Simplify right side
    637,744.43x = 309,143,425,410.11
  5. Step 5: Solve for x
    x = 309,143,425,410.11/637,744.43
  6. Step 6: Final answer
    x = 484,745.00

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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.