Home / 449,838.92-620,766.12-245,890.34

Finding the Fourth Proportional to 449,838.92, 620,766.12 and 245,890.34

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Solution

The fourth proportional to 449,838.92, 620,766.12 and 245,890.34 is: 339,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,838.92 : 620,766.12 = 245,890.34 : x
  2. Step 2: Convert to fraction form
    449,838.92/620,766.12 = 245,890.34/x
  3. Step 3: Cross multiply
    449,838.92x = 620,766.12 × 245,890.34
  4. Step 4: Simplify right side
    449,838.92x = 152,640,392,307.28
  5. Step 5: Solve for x
    x = 152,640,392,307.28/449,838.92
  6. Step 6: Final answer
    x = 339,322.33

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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.