Home / 476,962.40-658,064.58-285,906.08

Finding the Fourth Proportional to 476,962.40, 658,064.58 and 285,906.08

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Solution

The fourth proportional to 476,962.40, 658,064.58 and 285,906.08 is: 394,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,962.40 : 658,064.58 = 285,906.08 : x
  2. Step 2: Convert to fraction form
    476,962.40/658,064.58 = 285,906.08/x
  3. Step 3: Cross multiply
    476,962.40x = 658,064.58 × 285,906.08
  4. Step 4: Simplify right side
    476,962.40x = 188,144,664,454.65
  5. Step 5: Solve for x
    x = 188,144,664,454.65/476,962.40
  6. Step 6: Final answer
    x = 394,464.35

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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.