Home / 788,797.80-1,183,196.70-742,141.80

Finding the Fourth Proportional to 788,797.80, 1,183,196.70 and 742,141.80

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Solution

The fourth proportional to 788,797.80, 1,183,196.70 and 742,141.80 is: 1,113,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,797.80 : 1,183,196.70 = 742,141.80 : x
  2. Step 2: Convert to fraction form
    788,797.80/1,183,196.70 = 742,141.80/x
  3. Step 3: Cross multiply
    788,797.80x = 1,183,196.70 × 742,141.80
  4. Step 4: Simplify right side
    788,797.80x = 878,099,728,692.06
  5. Step 5: Solve for x
    x = 878,099,728,692.06/788,797.80
  6. Step 6: Final answer
    x = 1,113,212.70

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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.