Home / 476,965.15-658,068.37-285,908.83

Finding the Fourth Proportional to 476,965.15, 658,068.37 and 285,908.83

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Solution

The fourth proportional to 476,965.15, 658,068.37 and 285,908.83 is: 394,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,965.15 : 658,068.37 = 285,908.83 : x
  2. Step 2: Convert to fraction form
    476,965.15/658,068.37 = 285,908.83/x
  3. Step 3: Cross multiply
    476,965.15x = 658,068.37 × 285,908.83
  4. Step 4: Simplify right side
    476,965.15x = 188,147,557,726.71
  5. Step 5: Solve for x
    x = 188,147,557,726.71/476,965.15
  6. Step 6: Final answer
    x = 394,468.14

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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.