Home / 991,524.08-1,368,296.72-538,815.04

Finding the Fourth Proportional to 991,524.08, 1,368,296.72 and 538,815.04

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Solution

The fourth proportional to 991,524.08, 1,368,296.72 and 538,815.04 is: 743,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,524.08 : 1,368,296.72 = 538,815.04 : x
  2. Step 2: Convert to fraction form
    991,524.08/1,368,296.72 = 538,815.04/x
  3. Step 3: Cross multiply
    991,524.08x = 1,368,296.72 × 538,815.04
  4. Step 4: Simplify right side
    991,524.08x = 737,258,851,918.67
  5. Step 5: Solve for x
    x = 737,258,851,918.67/991,524.08
  6. Step 6: Final answer
    x = 743,561.22

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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.