Home / 998,354.89-1,496,452.47-398,656.68

Finding the Fourth Proportional to 998,354.89, 1,496,452.47 and 398,656.68

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Solution

The fourth proportional to 998,354.89, 1,496,452.47 and 398,656.68 is: 597,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,354.89 : 1,496,452.47 = 398,656.68 : x
  2. Step 2: Convert to fraction form
    998,354.89/1,496,452.47 = 398,656.68/x
  3. Step 3: Cross multiply
    998,354.89x = 1,496,452.47 × 398,656.68
  4. Step 4: Simplify right side
    998,354.89x = 596,570,773,468.00
  5. Step 5: Solve for x
    x = 596,570,773,468.00/998,354.89
  6. Step 6: Final answer
    x = 597,553.82

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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.