Home / 998,019-1,377,275.94-545,310

Finding the Fourth Proportional to 998,019, 1,377,275.94 and 545,310

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Solution

The fourth proportional to 998,019, 1,377,275.94 and 545,310 is: 752,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,019 : 1,377,275.94 = 545,310 : x
  2. Step 2: Convert to fraction form
    998,019/1,377,275.94 = 545,310/x
  3. Step 3: Cross multiply
    998,019x = 1,377,275.94 × 545,310
  4. Step 4: Simplify right side
    998,019x = 751,042,342,841.40
  5. Step 5: Solve for x
    x = 751,042,342,841.40/998,019
  6. Step 6: Final answer
    x = 752,533.11

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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.