Home / 998,074.81-1,497,118.70-399,086.29

Finding the Fourth Proportional to 998,074.81, 1,497,118.70 and 399,086.29

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Solution

The fourth proportional to 998,074.81, 1,497,118.70 and 399,086.29 is: 598,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,074.81 : 1,497,118.70 = 399,086.29 : x
  2. Step 2: Convert to fraction form
    998,074.81/1,497,118.70 = 399,086.29/x
  3. Step 3: Cross multiply
    998,074.81x = 1,497,118.70 × 399,086.29
  4. Step 4: Simplify right side
    998,074.81x = 597,479,545,677.19
  5. Step 5: Solve for x
    x = 597,479,545,677.19/998,074.81
  6. Step 6: Final answer
    x = 598,632.03

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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.