Home / 851,343.84-1,174,815-488,519.28

Finding the Fourth Proportional to 851,343.84, 1,174,815 and 488,519.28

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Solution

The fourth proportional to 851,343.84, 1,174,815 and 488,519.28 is: 674,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,343.84 : 1,174,815 = 488,519.28 : x
  2. Step 2: Convert to fraction form
    851,343.84/1,174,815 = 488,519.28/x
  3. Step 3: Cross multiply
    851,343.84x = 1,174,815 × 488,519.28
  4. Step 4: Simplify right side
    851,343.84x = 573,919,777,933.20
  5. Step 5: Solve for x
    x = 573,919,777,933.20/851,343.84
  6. Step 6: Final answer
    x = 674,133.94

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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.