Home / 998,568-1,378,023.84-545,862.24

Finding the Fourth Proportional to 998,568, 1,378,023.84 and 545,862.24

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Solution

The fourth proportional to 998,568, 1,378,023.84 and 545,862.24 is: 753,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,568 : 1,378,023.84 = 545,862.24 : x
  2. Step 2: Convert to fraction form
    998,568/1,378,023.84 = 545,862.24/x
  3. Step 3: Cross multiply
    998,568x = 1,378,023.84 × 545,862.24
  4. Step 4: Simplify right side
    998,568x = 752,211,180,075.80
  5. Step 5: Solve for x
    x = 752,211,180,075.80/998,568
  6. Step 6: Final answer
    x = 753,289.89

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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.