Home / 456,789.51-630,366.30-263,126.61

Finding the Fourth Proportional to 456,789.51, 630,366.30 and 263,126.61

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Solution

The fourth proportional to 456,789.51, 630,366.30 and 263,126.61 is: 363,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,789.51 : 630,366.30 = 263,126.61 : x
  2. Step 2: Convert to fraction form
    456,789.51/630,366.30 = 263,126.61/x
  3. Step 3: Cross multiply
    456,789.51x = 630,366.30 × 263,126.61
  4. Step 4: Simplify right side
    456,789.51x = 165,866,147,577.24
  5. Step 5: Solve for x
    x = 165,866,147,577.24/456,789.51
  6. Step 6: Final answer
    x = 363,112.86

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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.