Home / 440,821.85-608,400.62-268,839.61

Finding the Fourth Proportional to 440,821.85, 608,400.62 and 268,839.61

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Solution

The fourth proportional to 440,821.85, 608,400.62 and 268,839.61 is: 371,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,821.85 : 608,400.62 = 268,839.61 : x
  2. Step 2: Convert to fraction form
    440,821.85/608,400.62 = 268,839.61/x
  3. Step 3: Cross multiply
    440,821.85x = 608,400.62 × 268,839.61
  4. Step 4: Simplify right side
    440,821.85x = 163,562,183,547.51
  5. Step 5: Solve for x
    x = 163,562,183,547.51/440,821.85
  6. Step 6: Final answer
    x = 371,039.20

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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.