Home / 476,997.96-658,113.48-285,941.64

Finding the Fourth Proportional to 476,997.96, 658,113.48 and 285,941.64

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Solution

The fourth proportional to 476,997.96, 658,113.48 and 285,941.64 is: 394,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,997.96 : 658,113.48 = 285,941.64 : x
  2. Step 2: Convert to fraction form
    476,997.96/658,113.48 = 285,941.64/x
  3. Step 3: Cross multiply
    476,997.96x = 658,113.48 × 285,941.64
  4. Step 4: Simplify right side
    476,997.96x = 188,182,047,777.31
  5. Step 5: Solve for x
    x = 188,182,047,777.31/476,997.96
  6. Step 6: Final answer
    x = 394,513.32

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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.