Home / 998,731.83-1,377,323.51-635,777.31

Finding the Fourth Proportional to 998,731.83, 1,377,323.51 and 635,777.31

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Solution

The fourth proportional to 998,731.83, 1,377,323.51 and 635,777.31 is: 876,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,731.83 : 1,377,323.51 = 635,777.31 : x
  2. Step 2: Convert to fraction form
    998,731.83/1,377,323.51 = 635,777.31/x
  3. Step 3: Cross multiply
    998,731.83x = 1,377,323.51 × 635,777.31
  4. Step 4: Simplify right side
    998,731.83x = 875,671,033,008.67
  5. Step 5: Solve for x
    x = 875,671,033,008.67/998,731.83
  6. Step 6: Final answer
    x = 876,782.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.