Home / 991,482.28-1,368,265.80-538,802.44

Finding the Fourth Proportional to 991,482.28, 1,368,265.80 and 538,802.44

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Solution

The fourth proportional to 991,482.28, 1,368,265.80 and 538,802.44 is: 743,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,482.28 : 1,368,265.80 = 538,802.44 : x
  2. Step 2: Convert to fraction form
    991,482.28/1,368,265.80 = 538,802.44/x
  3. Step 3: Cross multiply
    991,482.28x = 1,368,265.80 × 538,802.44
  4. Step 4: Simplify right side
    991,482.28x = 737,224,951,608.55
  5. Step 5: Solve for x
    x = 737,224,951,608.55/991,482.28
  6. Step 6: Final answer
    x = 743,558.37

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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.