Home / 494,878.32-682,890.48-290,935.92

Finding the Fourth Proportional to 494,878.32, 682,890.48 and 290,935.92

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Solution

The fourth proportional to 494,878.32, 682,890.48 and 290,935.92 is: 401,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,878.32 : 682,890.48 = 290,935.92 : x
  2. Step 2: Convert to fraction form
    494,878.32/682,890.48 = 290,935.92/x
  3. Step 3: Cross multiply
    494,878.32x = 682,890.48 × 290,935.92
  4. Step 4: Simplify right side
    494,878.32x = 198,677,370,058.04
  5. Step 5: Solve for x
    x = 198,677,370,058.04/494,878.32
  6. Step 6: Final answer
    x = 401,467.11

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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.