Home / 787,341.84-1,086,566.30-443,199.97

Finding the Fourth Proportional to 787,341.84, 1,086,566.30 and 443,199.97

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Solution

The fourth proportional to 787,341.84, 1,086,566.30 and 443,199.97 is: 611,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,341.84 : 1,086,566.30 = 443,199.97 : x
  2. Step 2: Convert to fraction form
    787,341.84/1,086,566.30 = 443,199.97/x
  3. Step 3: Cross multiply
    787,341.84x = 1,086,566.30 × 443,199.97
  4. Step 4: Simplify right side
    787,341.84x = 481,566,151,563.01
  5. Step 5: Solve for x
    x = 481,566,151,563.01/787,341.84
  6. Step 6: Final answer
    x = 611,635.41

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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.