Home / 998,519.70-1,497,779.55-762,323.70

Finding the Fourth Proportional to 998,519.70, 1,497,779.55 and 762,323.70

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Solution

The fourth proportional to 998,519.70, 1,497,779.55 and 762,323.70 is: 1,143,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,519.70 : 1,497,779.55 = 762,323.70 : x
  2. Step 2: Convert to fraction form
    998,519.70/1,497,779.55 = 762,323.70/x
  3. Step 3: Cross multiply
    998,519.70x = 1,497,779.55 × 762,323.70
  4. Step 4: Simplify right side
    998,519.70x = 1,141,792,848,340.34
  5. Step 5: Solve for x
    x = 1,141,792,848,340.34/998,519.70
  6. Step 6: Final answer
    x = 1,143,485.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.