Home / 976,768.20-1,464,496.20-521,434.80

Finding the Fourth Proportional to 976,768.20, 1,464,496.20 and 521,434.80

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Solution

The fourth proportional to 976,768.20, 1,464,496.20 and 521,434.80 is: 781,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,768.20 : 1,464,496.20 = 521,434.80 : x
  2. Step 2: Convert to fraction form
    976,768.20/1,464,496.20 = 521,434.80/x
  3. Step 3: Cross multiply
    976,768.20x = 1,464,496.20 × 521,434.80
  4. Step 4: Simplify right side
    976,768.20x = 763,639,283,147.76
  5. Step 5: Solve for x
    x = 763,639,283,147.76/976,768.20
  6. Step 6: Final answer
    x = 781,801.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.