Home / 637,976.85-880,407.57-351,496.95

Finding the Fourth Proportional to 637,976.85, 880,407.57 and 351,496.95

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Solution

The fourth proportional to 637,976.85, 880,407.57 and 351,496.95 is: 485,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,976.85 : 880,407.57 = 351,496.95 : x
  2. Step 2: Convert to fraction form
    637,976.85/880,407.57 = 351,496.95/x
  3. Step 3: Cross multiply
    637,976.85x = 880,407.57 × 351,496.95
  4. Step 4: Simplify right side
    637,976.85x = 309,460,575,611.91
  5. Step 5: Solve for x
    x = 309,460,575,611.91/637,976.85
  6. Step 6: Final answer
    x = 485,065.52

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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.