Home / 998,110.20-1,497,165.30-548,657.40

Finding the Fourth Proportional to 998,110.20, 1,497,165.30 and 548,657.40

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Solution

The fourth proportional to 998,110.20, 1,497,165.30 and 548,657.40 is: 822,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,110.20 : 1,497,165.30 = 548,657.40 : x
  2. Step 2: Convert to fraction form
    998,110.20/1,497,165.30 = 548,657.40/x
  3. Step 3: Cross multiply
    998,110.20x = 1,497,165.30 × 548,657.40
  4. Step 4: Simplify right side
    998,110.20x = 821,430,820,868.22
  5. Step 5: Solve for x
    x = 821,430,820,868.22/998,110.20
  6. Step 6: Final answer
    x = 822,986.10

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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.