Home / 998,432.76-1,377,837.90-545,723.76

Finding the Fourth Proportional to 998,432.76, 1,377,837.90 and 545,723.76

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Solution

The fourth proportional to 998,432.76, 1,377,837.90 and 545,723.76 is: 753,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,432.76 : 1,377,837.90 = 545,723.76 : x
  2. Step 2: Convert to fraction form
    998,432.76/1,377,837.90 = 545,723.76/x
  3. Step 3: Cross multiply
    998,432.76x = 1,377,837.90 × 545,723.76
  4. Step 4: Simplify right side
    998,432.76x = 751,918,879,458.50
  5. Step 5: Solve for x
    x = 751,918,879,458.50/998,432.76
  6. Step 6: Final answer
    x = 753,099.17

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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.