Home / 998,844.75-1,498,267.13-298,428.75

Finding the Fourth Proportional to 998,844.75, 1,498,267.13 and 298,428.75

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Solution

The fourth proportional to 998,844.75, 1,498,267.13 and 298,428.75 is: 447,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,844.75 : 1,498,267.13 = 298,428.75 : x
  2. Step 2: Convert to fraction form
    998,844.75/1,498,267.13 = 298,428.75/x
  3. Step 3: Cross multiply
    998,844.75x = 1,498,267.13 × 298,428.75
  4. Step 4: Simplify right side
    998,844.75x = 447,125,985,279.84
  5. Step 5: Solve for x
    x = 447,125,985,279.84/998,844.75
  6. Step 6: Final answer
    x = 447,643.13

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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.