Home / 998,444.40-1,497,749.22-324,259.14

Finding the Fourth Proportional to 998,444.40, 1,497,749.22 and 324,259.14

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Solution

The fourth proportional to 998,444.40, 1,497,749.22 and 324,259.14 is: 486,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,444.40 : 1,497,749.22 = 324,259.14 : x
  2. Step 2: Convert to fraction form
    998,444.40/1,497,749.22 = 324,259.14/x
  3. Step 3: Cross multiply
    998,444.40x = 1,497,749.22 × 324,259.14
  4. Step 4: Simplify right side
    998,444.40x = 485,658,874,012.87
  5. Step 5: Solve for x
    x = 485,658,874,012.87/998,444.40
  6. Step 6: Final answer
    x = 486,415.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.