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Finding the Fourth Proportional to 637,737.60, 880,083.84 and 351,258.72

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Solution

The fourth proportional to 637,737.60, 880,083.84 and 351,258.72 is: 484,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,737.60 : 880,083.84 = 351,258.72 : x
  2. Step 2: Convert to fraction form
    637,737.60/880,083.84 = 351,258.72/x
  3. Step 3: Cross multiply
    637,737.60x = 880,083.84 × 351,258.72
  4. Step 4: Simplify right side
    637,737.60x = 309,137,123,131.09
  5. Step 5: Solve for x
    x = 309,137,123,131.09/637,737.60
  6. Step 6: Final answer
    x = 484,740.31

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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.