Home / 998,269.80-1,497,623.40-399,080.40

Finding the Fourth Proportional to 998,269.80, 1,497,623.40 and 399,080.40

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Solution

The fourth proportional to 998,269.80, 1,497,623.40 and 399,080.40 is: 598,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,269.80 : 1,497,623.40 = 399,080.40 : x
  2. Step 2: Convert to fraction form
    998,269.80/1,497,623.40 = 399,080.40/x
  3. Step 3: Cross multiply
    998,269.80x = 1,497,623.40 × 399,080.40
  4. Step 4: Simplify right side
    998,269.80x = 597,672,145,521.36
  5. Step 5: Solve for x
    x = 597,672,145,521.36/998,269.80
  6. Step 6: Final answer
    x = 598,708.03

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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.