Home / 998,628.40-1,497,953.54-288,662.59

Finding the Fourth Proportional to 998,628.40, 1,497,953.54 and 288,662.59

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Solution

The fourth proportional to 998,628.40, 1,497,953.54 and 288,662.59 is: 432,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,628.40 : 1,497,953.54 = 288,662.59 : x
  2. Step 2: Convert to fraction form
    998,628.40/1,497,953.54 = 288,662.59/x
  3. Step 3: Cross multiply
    998,628.40x = 1,497,953.54 × 288,662.59
  4. Step 4: Simplify right side
    998,628.40x = 432,403,148,556.07
  5. Step 5: Solve for x
    x = 432,403,148,556.07/998,628.40
  6. Step 6: Final answer
    x = 432,997.05

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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.