Home / 843,421.88-1,163,939-461,456.86

Finding the Fourth Proportional to 843,421.88, 1,163,939 and 461,456.86

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Solution

The fourth proportional to 843,421.88, 1,163,939 and 461,456.86 is: 636,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,421.88 : 1,163,939 = 461,456.86 : x
  2. Step 2: Convert to fraction form
    843,421.88/1,163,939 = 461,456.86/x
  3. Step 3: Cross multiply
    843,421.88x = 1,163,939 × 461,456.86
  4. Step 4: Simplify right side
    843,421.88x = 537,107,636,171.54
  5. Step 5: Solve for x
    x = 537,107,636,171.54/843,421.88
  6. Step 6: Final answer
    x = 636,819.66

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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.