Home / 998,492.40-1,497,738.60-620,578.80

Finding the Fourth Proportional to 998,492.40, 1,497,738.60 and 620,578.80

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Solution

The fourth proportional to 998,492.40, 1,497,738.60 and 620,578.80 is: 930,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,492.40 : 1,497,738.60 = 620,578.80 : x
  2. Step 2: Convert to fraction form
    998,492.40/1,497,738.60 = 620,578.80/x
  3. Step 3: Cross multiply
    998,492.40x = 1,497,738.60 × 620,578.80
  4. Step 4: Simplify right side
    998,492.40x = 929,464,823,101.68
  5. Step 5: Solve for x
    x = 929,464,823,101.68/998,492.40
  6. Step 6: Final answer
    x = 930,868.20

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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.