Home / 853,315.54-1,177,563.48-466,126.36

Finding the Fourth Proportional to 853,315.54, 1,177,563.48 and 466,126.36

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Solution

The fourth proportional to 853,315.54, 1,177,563.48 and 466,126.36 is: 643,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,315.54 : 1,177,563.48 = 466,126.36 : x
  2. Step 2: Convert to fraction form
    853,315.54/1,177,563.48 = 466,126.36/x
  3. Step 3: Cross multiply
    853,315.54x = 1,177,563.48 × 466,126.36
  4. Step 4: Simplify right side
    853,315.54x = 548,893,378,601.33
  5. Step 5: Solve for x
    x = 548,893,378,601.33/853,315.54
  6. Step 6: Final answer
    x = 643,247.84

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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.