Home / 494,374.16-682,241.60-290,433.58

Finding the Fourth Proportional to 494,374.16, 682,241.60 and 290,433.58

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Solution

The fourth proportional to 494,374.16, 682,241.60 and 290,433.58 is: 400,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,374.16 : 682,241.60 = 290,433.58 : x
  2. Step 2: Convert to fraction form
    494,374.16/682,241.60 = 290,433.58/x
  3. Step 3: Cross multiply
    494,374.16x = 682,241.60 × 290,433.58
  4. Step 4: Simplify right side
    494,374.16x = 198,145,870,312.93
  5. Step 5: Solve for x
    x = 198,145,870,312.93/494,374.16
  6. Step 6: Final answer
    x = 400,801.43

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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.