Home / 789,001.05-1,183,501.58-505,565.85

Finding the Fourth Proportional to 789,001.05, 1,183,501.58 and 505,565.85

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Solution

The fourth proportional to 789,001.05, 1,183,501.58 and 505,565.85 is: 758,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,001.05 : 1,183,501.58 = 505,565.85 : x
  2. Step 2: Convert to fraction form
    789,001.05/1,183,501.58 = 505,565.85/x
  3. Step 3: Cross multiply
    789,001.05x = 1,183,501.58 × 505,565.85
  4. Step 4: Simplify right side
    789,001.05x = 598,337,979,741.21
  5. Step 5: Solve for x
    x = 598,337,979,741.21/789,001.05
  6. Step 6: Final answer
    x = 758,348.78

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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.