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Finding the Fourth Proportional to 998,952.16, 1,378,587 and 546,243.16

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Solution

The fourth proportional to 998,952.16, 1,378,587 and 546,243.16 is: 753,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,952.16 : 1,378,587 = 546,243.16 : x
  2. Step 2: Convert to fraction form
    998,952.16/1,378,587 = 546,243.16/x
  3. Step 3: Cross multiply
    998,952.16x = 1,378,587 × 546,243.16
  4. Step 4: Simplify right side
    998,952.16x = 753,043,719,214.92
  5. Step 5: Solve for x
    x = 753,043,719,214.92/998,952.16
  6. Step 6: Final answer
    x = 753,833.62

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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.