Home / 637,949.96-880,373.07-351,469.34

Finding the Fourth Proportional to 637,949.96, 880,373.07 and 351,469.34

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Solution

The fourth proportional to 637,949.96, 880,373.07 and 351,469.34 is: 485,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,949.96 : 880,373.07 = 351,469.34 : x
  2. Step 2: Convert to fraction form
    637,949.96/880,373.07 = 351,469.34/x
  3. Step 3: Cross multiply
    637,949.96x = 880,373.07 × 351,469.34
  4. Step 4: Simplify right side
    637,949.96x = 309,424,137,464.81
  5. Step 5: Solve for x
    x = 309,424,137,464.81/637,949.96
  6. Step 6: Final answer
    x = 485,028.86

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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.