Home / 998,042.78-1,497,208.65-314,697.68

Finding the Fourth Proportional to 998,042.78, 1,497,208.65 and 314,697.68

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Solution

The fourth proportional to 998,042.78, 1,497,208.65 and 314,697.68 is: 472,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,042.78 : 1,497,208.65 = 314,697.68 : x
  2. Step 2: Convert to fraction form
    998,042.78/1,497,208.65 = 314,697.68/x
  3. Step 3: Cross multiply
    998,042.78x = 1,497,208.65 × 314,697.68
  4. Step 4: Simplify right side
    998,042.78x = 471,168,081,144.89
  5. Step 5: Solve for x
    x = 471,168,081,144.89/998,042.78
  6. Step 6: Final answer
    x = 472,092.07

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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.