Home / 998,816.36-1,498,268.27-288,916.16

Finding the Fourth Proportional to 998,816.36, 1,498,268.27 and 288,916.16

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Solution

The fourth proportional to 998,816.36, 1,498,268.27 and 288,916.16 is: 433,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,816.36 : 1,498,268.27 = 288,916.16 : x
  2. Step 2: Convert to fraction form
    998,816.36/1,498,268.27 = 288,916.16/x
  3. Step 3: Cross multiply
    998,816.36x = 1,498,268.27 × 288,916.16
  4. Step 4: Simplify right side
    998,816.36x = 432,873,906,282.32
  5. Step 5: Solve for x
    x = 432,873,906,282.32/998,816.36
  6. Step 6: Final answer
    x = 433,386.88

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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.