Home / 998,328.78-1,377,976.32-590,572.35

Finding the Fourth Proportional to 998,328.78, 1,377,976.32 and 590,572.35

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Solution

The fourth proportional to 998,328.78, 1,377,976.32 and 590,572.35 is: 815,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,328.78 : 1,377,976.32 = 590,572.35 : x
  2. Step 2: Convert to fraction form
    998,328.78/1,377,976.32 = 590,572.35/x
  3. Step 3: Cross multiply
    998,328.78x = 1,377,976.32 × 590,572.35
  4. Step 4: Simplify right side
    998,328.78x = 813,794,713,546.75
  5. Step 5: Solve for x
    x = 813,794,713,546.75/998,328.78
  6. Step 6: Final answer
    x = 815,157.02

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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.