Home / 998,998.58-1,377,698.10-654,709.10

Finding the Fourth Proportional to 998,998.58, 1,377,698.10 and 654,709.10

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Solution

The fourth proportional to 998,998.58, 1,377,698.10 and 654,709.10 is: 902,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,998.58 : 1,377,698.10 = 654,709.10 : x
  2. Step 2: Convert to fraction form
    998,998.58/1,377,698.10 = 654,709.10/x
  3. Step 3: Cross multiply
    998,998.58x = 1,377,698.10 × 654,709.10
  4. Step 4: Simplify right side
    998,998.58x = 901,991,476,234.22
  5. Step 5: Solve for x
    x = 901,991,476,234.22/998,998.58
  6. Step 6: Final answer
    x = 902,895.66

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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.