Home / 476,732.76-657,616.40-285,635.48

Finding the Fourth Proportional to 476,732.76, 657,616.40 and 285,635.48

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Solution

The fourth proportional to 476,732.76, 657,616.40 and 285,635.48 is: 394,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,732.76 : 657,616.40 = 285,635.48 : x
  2. Step 2: Convert to fraction form
    476,732.76/657,616.40 = 285,635.48/x
  3. Step 3: Cross multiply
    476,732.76x = 657,616.40 × 285,635.48
  4. Step 4: Simplify right side
    476,732.76x = 187,838,576,069.87
  5. Step 5: Solve for x
    x = 187,838,576,069.87/476,732.76
  6. Step 6: Final answer
    x = 394,012.31

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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.