Home / 788,843.70-1,183,265.55-490,245.30

Finding the Fourth Proportional to 788,843.70, 1,183,265.55 and 490,245.30

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Solution

The fourth proportional to 788,843.70, 1,183,265.55 and 490,245.30 is: 735,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,843.70 : 1,183,265.55 = 490,245.30 : x
  2. Step 2: Convert to fraction form
    788,843.70/1,183,265.55 = 490,245.30/x
  3. Step 3: Cross multiply
    788,843.70x = 1,183,265.55 × 490,245.30
  4. Step 4: Simplify right side
    788,843.70x = 580,090,374,539.42
  5. Step 5: Solve for x
    x = 580,090,374,539.42/788,843.70
  6. Step 6: Final answer
    x = 735,367.95

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Half scale
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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.