Home / 998,803.92-1,498,249.60-288,903.72

Finding the Fourth Proportional to 998,803.92, 1,498,249.60 and 288,903.72

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Solution

The fourth proportional to 998,803.92, 1,498,249.60 and 288,903.72 is: 433,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,803.92 : 1,498,249.60 = 288,903.72 : x
  2. Step 2: Convert to fraction form
    998,803.92/1,498,249.60 = 288,903.72/x
  3. Step 3: Cross multiply
    998,803.92x = 1,498,249.60 × 288,903.72
  4. Step 4: Simplify right side
    998,803.92x = 432,849,882,928.51
  5. Step 5: Solve for x
    x = 432,849,882,928.51/998,803.92
  6. Step 6: Final answer
    x = 433,368.23

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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.