Home / 998,512.89-1,377,947.76-545,803.89

Finding the Fourth Proportional to 998,512.89, 1,377,947.76 and 545,803.89

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Solution

The fourth proportional to 998,512.89, 1,377,947.76 and 545,803.89 is: 753,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,512.89 : 1,377,947.76 = 545,803.89 : x
  2. Step 2: Convert to fraction form
    998,512.89/1,377,947.76 = 545,803.89/x
  3. Step 3: Cross multiply
    998,512.89x = 1,377,947.76 × 545,803.89
  4. Step 4: Simplify right side
    998,512.89x = 752,089,247,624.79
  5. Step 5: Solve for x
    x = 752,089,247,624.79/998,512.89
  6. Step 6: Final answer
    x = 753,209.35

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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.