Home / 998,705.02-1,378,212.69-545,996.02

Finding the Fourth Proportional to 998,705.02, 1,378,212.69 and 545,996.02

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Solution

The fourth proportional to 998,705.02, 1,378,212.69 and 545,996.02 is: 753,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,705.02 : 1,378,212.69 = 545,996.02 : x
  2. Step 2: Convert to fraction form
    998,705.02/1,378,212.69 = 545,996.02/x
  3. Step 3: Cross multiply
    998,705.02x = 1,378,212.69 × 545,996.02
  4. Step 4: Simplify right side
    998,705.02x = 752,498,643,453.49
  5. Step 5: Solve for x
    x = 752,498,643,453.49/998,705.02
  6. Step 6: Final answer
    x = 753,474.38

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Double scale
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1.5x scale

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.