Home / 991,440.48-1,368,196.52-538,731.48

Finding the Fourth Proportional to 991,440.48, 1,368,196.52 and 538,731.48

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Solution

The fourth proportional to 991,440.48, 1,368,196.52 and 538,731.48 is: 743,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,440.48 : 1,368,196.52 = 538,731.48 : x
  2. Step 2: Convert to fraction form
    991,440.48/1,368,196.52 = 538,731.48/x
  3. Step 3: Cross multiply
    991,440.48x = 1,368,196.52 × 538,731.48
  4. Step 4: Simplify right side
    991,440.48x = 737,090,536,150.45
  5. Step 5: Solve for x
    x = 737,090,536,150.45/991,440.48
  6. Step 6: Final answer
    x = 743,454.15

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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.