Home / 998,316.50-1,378,341.77-590,549.33

Finding the Fourth Proportional to 998,316.50, 1,378,341.77 and 590,549.33

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Solution

The fourth proportional to 998,316.50, 1,378,341.77 and 590,549.33 is: 815,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,316.50 : 1,378,341.77 = 590,549.33 : x
  2. Step 2: Convert to fraction form
    998,316.50/1,378,341.77 = 590,549.33/x
  3. Step 3: Cross multiply
    998,316.50x = 1,378,341.77 × 590,549.33
  4. Step 4: Simplify right side
    998,316.50x = 813,978,809,277.62
  5. Step 5: Solve for x
    x = 813,978,809,277.62/998,316.50
  6. Step 6: Final answer
    x = 815,351.46

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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.