Home / 998,629.40-1,497,955.04-288,663.59

Finding the Fourth Proportional to 998,629.40, 1,497,955.04 and 288,663.59

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Solution

The fourth proportional to 998,629.40, 1,497,955.04 and 288,663.59 is: 432,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,629.40 : 1,497,955.04 = 288,663.59 : x
  2. Step 2: Convert to fraction form
    998,629.40/1,497,955.04 = 288,663.59/x
  3. Step 3: Cross multiply
    998,629.40x = 1,497,955.04 × 288,663.59
  4. Step 4: Simplify right side
    998,629.40x = 432,405,079,504.99
  5. Step 5: Solve for x
    x = 432,405,079,504.99/998,629.40
  6. Step 6: Final answer
    x = 432,998.55

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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.