Home / 712,214.64-982,910.79-406,297.76

Finding the Fourth Proportional to 712,214.64, 982,910.79 and 406,297.76

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Solution

The fourth proportional to 712,214.64, 982,910.79 and 406,297.76 is: 560,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,214.64 : 982,910.79 = 406,297.76 : x
  2. Step 2: Convert to fraction form
    712,214.64/982,910.79 = 406,297.76/x
  3. Step 3: Cross multiply
    712,214.64x = 982,910.79 × 406,297.76
  4. Step 4: Simplify right side
    712,214.64x = 399,354,447,342.28
  5. Step 5: Solve for x
    x = 399,354,447,342.28/712,214.64
  6. Step 6: Final answer
    x = 560,722.04

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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.