Home / 998,910.60-1,378,230.93-569,181.48

Finding the Fourth Proportional to 998,910.60, 1,378,230.93 and 569,181.48

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Solution

The fourth proportional to 998,910.60, 1,378,230.93 and 569,181.48 is: 785,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,910.60 : 1,378,230.93 = 569,181.48 : x
  2. Step 2: Convert to fraction form
    998,910.60/1,378,230.93 = 569,181.48/x
  3. Step 3: Cross multiply
    998,910.60x = 1,378,230.93 × 569,181.48
  4. Step 4: Simplify right side
    998,910.60x = 784,463,520,519.18
  5. Step 5: Solve for x
    x = 784,463,520,519.18/998,910.60
  6. Step 6: Final answer
    x = 785,319.05

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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.