Home / 476,760.49-657,654.41-285,663.15

Finding the Fourth Proportional to 476,760.49, 657,654.41 and 285,663.15

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Solution

The fourth proportional to 476,760.49, 657,654.41 and 285,663.15 is: 394,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,760.49 : 657,654.41 = 285,663.15 : x
  2. Step 2: Convert to fraction form
    476,760.49/657,654.41 = 285,663.15/x
  3. Step 3: Cross multiply
    476,760.49x = 657,654.41 × 285,663.15
  4. Step 4: Simplify right side
    476,760.49x = 187,867,631,086.15
  5. Step 5: Solve for x
    x = 187,867,631,086.15/476,760.49
  6. Step 6: Final answer
    x = 394,050.34

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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.