Home / 449,895.88-617,551.50-397,766.68

Finding the Fourth Proportional to 449,895.88, 617,551.50 and 397,766.68

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Solution

The fourth proportional to 449,895.88, 617,551.50 and 397,766.68 is: 545,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,895.88 : 617,551.50 = 397,766.68 : x
  2. Step 2: Convert to fraction form
    449,895.88/617,551.50 = 397,766.68/x
  3. Step 3: Cross multiply
    449,895.88x = 617,551.50 × 397,766.68
  4. Step 4: Simplify right side
    449,895.88x = 245,641,409,884.02
  5. Step 5: Solve for x
    x = 245,641,409,884.02/449,895.88
  6. Step 6: Final answer
    x = 545,996.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.