Home / 494,809.04-682,385.64-418,488.14

Finding the Fourth Proportional to 494,809.04, 682,385.64 and 418,488.14

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Solution

The fourth proportional to 494,809.04, 682,385.64 and 418,488.14 is: 577,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,809.04 : 682,385.64 = 418,488.14 : x
  2. Step 2: Convert to fraction form
    494,809.04/682,385.64 = 418,488.14/x
  3. Step 3: Cross multiply
    494,809.04x = 682,385.64 × 418,488.14
  4. Step 4: Simplify right side
    494,809.04x = 285,570,297,246.31
  5. Step 5: Solve for x
    x = 285,570,297,246.31/494,809.04
  6. Step 6: Final answer
    x = 577,132.34

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1.5x scale

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.