Home / 449,618.24-620,454.69-245,676.17

Finding the Fourth Proportional to 449,618.24, 620,454.69 and 245,676.17

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Solution

The fourth proportional to 449,618.24, 620,454.69 and 245,676.17 is: 339,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,618.24 : 620,454.69 = 245,676.17 : x
  2. Step 2: Convert to fraction form
    449,618.24/620,454.69 = 245,676.17/x
  3. Step 3: Cross multiply
    449,618.24x = 620,454.69 × 245,676.17
  4. Step 4: Simplify right side
    449,618.24x = 152,430,928,795.46
  5. Step 5: Solve for x
    x = 152,430,928,795.46/449,618.24
  6. Step 6: Final answer
    x = 339,023.01

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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.