Home / 998,628.59-1,497,953.82-288,662.78

Finding the Fourth Proportional to 998,628.59, 1,497,953.82 and 288,662.78

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Solution

The fourth proportional to 998,628.59, 1,497,953.82 and 288,662.78 is: 432,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,628.59 : 1,497,953.82 = 288,662.78 : x
  2. Step 2: Convert to fraction form
    998,628.59/1,497,953.82 = 288,662.78/x
  3. Step 3: Cross multiply
    998,628.59x = 1,497,953.82 × 288,662.78
  4. Step 4: Simplify right side
    998,628.59x = 432,403,513,992.82
  5. Step 5: Solve for x
    x = 432,403,513,992.82/998,628.59
  6. Step 6: Final answer
    x = 432,997.33

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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.