Home / 998,629.84-1,497,955.70-288,664.03

Finding the Fourth Proportional to 998,629.84, 1,497,955.70 and 288,664.03

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Solution

The fourth proportional to 998,629.84, 1,497,955.70 and 288,664.03 is: 432,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,629.84 : 1,497,955.70 = 288,664.03 : x
  2. Step 2: Convert to fraction form
    998,629.84/1,497,955.70 = 288,664.03/x
  3. Step 3: Cross multiply
    998,629.84x = 1,497,955.70 × 288,664.03
  4. Step 4: Simplify right side
    998,629.84x = 432,405,931,717.58
  5. Step 5: Solve for x
    x = 432,405,931,717.58/998,629.84
  6. Step 6: Final answer
    x = 432,999.21

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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.