Home / 637,561.97-879,835.43-351,081.35

Finding the Fourth Proportional to 637,561.97, 879,835.43 and 351,081.35

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Solution

The fourth proportional to 637,561.97, 879,835.43 and 351,081.35 is: 484,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,561.97 : 879,835.43 = 351,081.35 : x
  2. Step 2: Convert to fraction form
    637,561.97/879,835.43 = 351,081.35/x
  3. Step 3: Cross multiply
    637,561.97x = 879,835.43 × 351,081.35
  4. Step 4: Simplify right side
    637,561.97x = 308,893,807,020.76
  5. Step 5: Solve for x
    x = 308,893,807,020.76/637,561.97
  6. Step 6: Final answer
    x = 484,492.21

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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.