Home / 998,078.56-1,497,124.32-399,090.04

Finding the Fourth Proportional to 998,078.56, 1,497,124.32 and 399,090.04

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Solution

The fourth proportional to 998,078.56, 1,497,124.32 and 399,090.04 is: 598,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,078.56 : 1,497,124.32 = 399,090.04 : x
  2. Step 2: Convert to fraction form
    998,078.56/1,497,124.32 = 399,090.04/x
  3. Step 3: Cross multiply
    998,078.56x = 1,497,124.32 × 399,090.04
  4. Step 4: Simplify right side
    998,078.56x = 597,487,404,753.77
  5. Step 5: Solve for x
    x = 597,487,404,753.77/998,078.56
  6. Step 6: Final answer
    x = 598,637.65

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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.