Home / 998,844.28-1,378,410.42-546,135.28

Finding the Fourth Proportional to 998,844.28, 1,378,410.42 and 546,135.28

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Solution

The fourth proportional to 998,844.28, 1,378,410.42 and 546,135.28 is: 753,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,844.28 : 1,378,410.42 = 546,135.28 : x
  2. Step 2: Convert to fraction form
    998,844.28/1,378,410.42 = 546,135.28/x
  3. Step 3: Cross multiply
    998,844.28x = 1,378,410.42 × 546,135.28
  4. Step 4: Simplify right side
    998,844.28x = 752,798,560,681.62
  5. Step 5: Solve for x
    x = 752,798,560,681.62/998,844.28
  6. Step 6: Final answer
    x = 753,669.59

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1.5x scale

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.