Home / 476,963.15-658,065.62-285,906.83

Finding the Fourth Proportional to 476,963.15, 658,065.62 and 285,906.83

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Solution

The fourth proportional to 476,963.15, 658,065.62 and 285,906.83 is: 394,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,963.15 : 658,065.62 = 285,906.83 : x
  2. Step 2: Convert to fraction form
    476,963.15/658,065.62 = 285,906.83/x
  3. Step 3: Cross multiply
    476,963.15x = 658,065.62 × 285,906.83
  4. Step 4: Simplify right side
    476,963.15x = 188,145,453,916.65
  5. Step 5: Solve for x
    x = 188,145,453,916.65/476,963.15
  6. Step 6: Final answer
    x = 394,465.39

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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.