Home / 998,359.23-1,498,212.72-391,072.23

Finding the Fourth Proportional to 998,359.23, 1,498,212.72 and 391,072.23

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Solution

The fourth proportional to 998,359.23, 1,498,212.72 and 391,072.23 is: 586,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,359.23 : 1,498,212.72 = 391,072.23 : x
  2. Step 2: Convert to fraction form
    998,359.23/1,498,212.72 = 391,072.23/x
  3. Step 3: Cross multiply
    998,359.23x = 1,498,212.72 × 391,072.23
  4. Step 4: Simplify right side
    998,359.23x = 585,909,389,424.77
  5. Step 5: Solve for x
    x = 585,909,389,424.77/998,359.23
  6. Step 6: Final answer
    x = 586,872.31

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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.