Home / 603,724.85-905,618.29-154,449.61

Finding the Fourth Proportional to 603,724.85, 905,618.29 and 154,449.61

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Solution

The fourth proportional to 603,724.85, 905,618.29 and 154,449.61 is: 231,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,724.85 : 905,618.29 = 154,449.61 : x
  2. Step 2: Convert to fraction form
    603,724.85/905,618.29 = 154,449.61/x
  3. Step 3: Cross multiply
    603,724.85x = 905,618.29 × 154,449.61
  4. Step 4: Simplify right side
    603,724.85x = 139,872,391,699.37
  5. Step 5: Solve for x
    x = 139,872,391,699.37/603,724.85
  6. Step 6: Final answer
    x = 231,682.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.