Home / 967,988.82-1,335,825.72-538,259.76

Finding the Fourth Proportional to 967,988.82, 1,335,825.72 and 538,259.76

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Solution

The fourth proportional to 967,988.82, 1,335,825.72 and 538,259.76 is: 742,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,988.82 : 1,335,825.72 = 538,259.76 : x
  2. Step 2: Convert to fraction form
    967,988.82/1,335,825.72 = 538,259.76/x
  3. Step 3: Cross multiply
    967,988.82x = 1,335,825.72 × 538,259.76
  4. Step 4: Simplify right side
    967,988.82x = 719,021,231,449.03
  5. Step 5: Solve for x
    x = 719,021,231,449.03/967,988.82
  6. Step 6: Final answer
    x = 742,799.11

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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.