Home / 494,821.04-682,402.18-418,500.16

Finding the Fourth Proportional to 494,821.04, 682,402.18 and 418,500.16

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Solution

The fourth proportional to 494,821.04, 682,402.18 and 418,500.16 is: 577,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,821.04 : 682,402.18 = 418,500.16 : x
  2. Step 2: Convert to fraction form
    494,821.04/682,402.18 = 418,500.16/x
  3. Step 3: Cross multiply
    494,821.04x = 682,402.18 × 418,500.16
  4. Step 4: Simplify right side
    494,821.04x = 285,585,421,514.35
  5. Step 5: Solve for x
    x = 285,585,421,514.35/494,821.04
  6. Step 6: Final answer
    x = 577,148.91

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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.