Home / 998,710.84-1,498,208.40-324,575.40

Finding the Fourth Proportional to 998,710.84, 1,498,208.40 and 324,575.40

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Solution

The fourth proportional to 998,710.84, 1,498,208.40 and 324,575.40 is: 486,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,710.84 : 1,498,208.40 = 324,575.40 : x
  2. Step 2: Convert to fraction form
    998,710.84/1,498,208.40 = 324,575.40/x
  3. Step 3: Cross multiply
    998,710.84x = 1,498,208.40 × 324,575.40
  4. Step 4: Simplify right side
    998,710.84x = 486,281,590,713.36
  5. Step 5: Solve for x
    x = 486,281,590,713.36/998,710.84
  6. Step 6: Final answer
    x = 486,909.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.