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Finding the Fourth Proportional to 637,948.46, 880,371 and 351,467.84

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Solution

The fourth proportional to 637,948.46, 880,371 and 351,467.84 is: 485,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,948.46 : 880,371 = 351,467.84 : x
  2. Step 2: Convert to fraction form
    637,948.46/880,371 = 351,467.84/x
  3. Step 3: Cross multiply
    637,948.46x = 880,371 × 351,467.84
  4. Step 4: Simplify right side
    637,948.46x = 309,422,089,366.79
  5. Step 5: Solve for x
    x = 309,422,089,366.79/637,948.46
  6. Step 6: Final answer
    x = 485,026.79

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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.