Home / 476,269.24-657,203.70-285,277.72

Finding the Fourth Proportional to 476,269.24, 657,203.70 and 285,277.72

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Solution

The fourth proportional to 476,269.24, 657,203.70 and 285,277.72 is: 393,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,269.24 : 657,203.70 = 285,277.72 : x
  2. Step 2: Convert to fraction form
    476,269.24/657,203.70 = 285,277.72/x
  3. Step 3: Cross multiply
    476,269.24x = 657,203.70 × 285,277.72
  4. Step 4: Simplify right side
    476,269.24x = 187,485,573,111.56
  5. Step 5: Solve for x
    x = 187,485,573,111.56/476,269.24
  6. Step 6: Final answer
    x = 393,654.59

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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.