Home / 476,489.87-657,577.46-285,499.16

Finding the Fourth Proportional to 476,489.87, 657,577.46 and 285,499.16

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Solution

The fourth proportional to 476,489.87, 657,577.46 and 285,499.16 is: 394,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,489.87 : 657,577.46 = 285,499.16 : x
  2. Step 2: Convert to fraction form
    476,489.87/657,577.46 = 285,499.16/x
  3. Step 3: Cross multiply
    476,489.87x = 657,577.46 × 285,499.16
  4. Step 4: Simplify right side
    476,489.87x = 187,737,809,890.79
  5. Step 5: Solve for x
    x = 187,737,809,890.79/476,489.87
  6. Step 6: Final answer
    x = 394,001.69

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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.