Home / 998,627.31-1,497,951.90-288,661.50

Finding the Fourth Proportional to 998,627.31, 1,497,951.90 and 288,661.50

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Solution

The fourth proportional to 998,627.31, 1,497,951.90 and 288,661.50 is: 432,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,627.31 : 1,497,951.90 = 288,661.50 : x
  2. Step 2: Convert to fraction form
    998,627.31/1,497,951.90 = 288,661.50/x
  3. Step 3: Cross multiply
    998,627.31x = 1,497,951.90 × 288,661.50
  4. Step 4: Simplify right side
    998,627.31x = 432,401,042,381.85
  5. Step 5: Solve for x
    x = 432,401,042,381.85/998,627.31
  6. Step 6: Final answer
    x = 432,995.41

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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.