Home / 998,673.20-1,498,204.20-430,053.20

Finding the Fourth Proportional to 998,673.20, 1,498,204.20 and 430,053.20

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Solution

The fourth proportional to 998,673.20, 1,498,204.20 and 430,053.20 is: 645,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,673.20 : 1,498,204.20 = 430,053.20 : x
  2. Step 2: Convert to fraction form
    998,673.20/1,498,204.20 = 430,053.20/x
  3. Step 3: Cross multiply
    998,673.20x = 1,498,204.20 × 430,053.20
  4. Step 4: Simplify right side
    998,673.20x = 644,307,510,463.44
  5. Step 5: Solve for x
    x = 644,307,510,463.44/998,673.20
  6. Step 6: Final answer
    x = 645,163.51

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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.