Home / 998,336.56-1,377,702.04-545,630.80

Finding the Fourth Proportional to 998,336.56, 1,377,702.04 and 545,630.80

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Solution

The fourth proportional to 998,336.56, 1,377,702.04 and 545,630.80 is: 752,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,336.56 : 1,377,702.04 = 545,630.80 : x
  2. Step 2: Convert to fraction form
    998,336.56/1,377,702.04 = 545,630.80/x
  3. Step 3: Cross multiply
    998,336.56x = 1,377,702.04 × 545,630.80
  4. Step 4: Simplify right side
    998,336.56x = 751,716,666,246.83
  5. Step 5: Solve for x
    x = 751,716,666,246.83/998,336.56
  6. Step 6: Final answer
    x = 752,969.19

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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.