Home / 637,512.72-879,786.92-351,043.08

Finding the Fourth Proportional to 637,512.72, 879,786.92 and 351,043.08

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Solution

The fourth proportional to 637,512.72, 879,786.92 and 351,043.08 is: 484,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,512.72 : 879,786.92 = 351,043.08 : x
  2. Step 2: Convert to fraction form
    637,512.72/879,786.92 = 351,043.08/x
  3. Step 3: Cross multiply
    637,512.72x = 879,786.92 × 351,043.08
  4. Step 4: Simplify right side
    637,512.72x = 308,843,110,140.51
  5. Step 5: Solve for x
    x = 308,843,110,140.51/637,512.72
  6. Step 6: Final answer
    x = 484,450.11

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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.