Home / 461,565.47-636,458.21-300,121.13

Finding the Fourth Proportional to 461,565.47, 636,458.21 and 300,121.13

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Solution

The fourth proportional to 461,565.47, 636,458.21 and 300,121.13 is: 413,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,565.47 : 636,458.21 = 300,121.13 : x
  2. Step 2: Convert to fraction form
    461,565.47/636,458.21 = 300,121.13/x
  3. Step 3: Cross multiply
    461,565.47x = 636,458.21 × 300,121.13
  4. Step 4: Simplify right side
    461,565.47x = 191,014,560,087.15
  5. Step 5: Solve for x
    x = 191,014,560,087.15/461,565.47
  6. Step 6: Final answer
    x = 413,840.66

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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.