Home / 853,940.28-1,178,405.37-466,752.43

Finding the Fourth Proportional to 853,940.28, 1,178,405.37 and 466,752.43

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Solution

The fourth proportional to 853,940.28, 1,178,405.37 and 466,752.43 is: 644,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,940.28 : 1,178,405.37 = 466,752.43 : x
  2. Step 2: Convert to fraction form
    853,940.28/1,178,405.37 = 466,752.43/x
  3. Step 3: Cross multiply
    853,940.28x = 1,178,405.37 × 466,752.43
  4. Step 4: Simplify right side
    853,940.28x = 550,023,567,638.79
  5. Step 5: Solve for x
    x = 550,023,567,638.79/853,940.28
  6. Step 6: Final answer
    x = 644,100.75

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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.