Home / 476,650.28-657,502.79-285,552.95

Finding the Fourth Proportional to 476,650.28, 657,502.79 and 285,552.95

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Solution

The fourth proportional to 476,650.28, 657,502.79 and 285,552.95 is: 393,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,650.28 : 657,502.79 = 285,552.95 : x
  2. Step 2: Convert to fraction form
    476,650.28/657,502.79 = 285,552.95/x
  3. Step 3: Cross multiply
    476,650.28x = 657,502.79 × 285,552.95
  4. Step 4: Simplify right side
    476,650.28x = 187,751,863,675.37
  5. Step 5: Solve for x
    x = 187,751,863,675.37/476,650.28
  6. Step 6: Final answer
    x = 393,898.57

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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.