Home / 476,960.40-658,061.82-285,904.08

Finding the Fourth Proportional to 476,960.40, 658,061.82 and 285,904.08

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Solution

The fourth proportional to 476,960.40, 658,061.82 and 285,904.08 is: 394,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,960.40 : 658,061.82 = 285,904.08 : x
  2. Step 2: Convert to fraction form
    476,960.40/658,061.82 = 285,904.08/x
  3. Step 3: Cross multiply
    476,960.40x = 658,061.82 × 285,904.08
  4. Step 4: Simplify right side
    476,960.40x = 188,142,559,230.23
  5. Step 5: Solve for x
    x = 188,142,559,230.23/476,960.40
  6. Step 6: Final answer
    x = 394,461.59

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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.