Home / 998,340.03-1,377,709.29-545,631.03

Finding the Fourth Proportional to 998,340.03, 1,377,709.29 and 545,631.03

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Solution

The fourth proportional to 998,340.03, 1,377,709.29 and 545,631.03 is: 752,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,340.03 : 1,377,709.29 = 545,631.03 : x
  2. Step 2: Convert to fraction form
    998,340.03/1,377,709.29 = 545,631.03/x
  3. Step 3: Cross multiply
    998,340.03x = 1,377,709.29 × 545,631.03
  4. Step 4: Simplify right side
    998,340.03x = 751,720,938,943.27
  5. Step 5: Solve for x
    x = 751,720,938,943.27/998,340.03
  6. Step 6: Final answer
    x = 752,970.85

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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.