Home / 789,030.56-1,088,840.39-444,863.54

Finding the Fourth Proportional to 789,030.56, 1,088,840.39 and 444,863.54

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Solution

The fourth proportional to 789,030.56, 1,088,840.39 and 444,863.54 is: 613,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,030.56 : 1,088,840.39 = 444,863.54 : x
  2. Step 2: Convert to fraction form
    789,030.56/1,088,840.39 = 444,863.54/x
  3. Step 3: Cross multiply
    789,030.56x = 1,088,840.39 × 444,863.54
  4. Step 4: Simplify right side
    789,030.56x = 484,385,382,721.86
  5. Step 5: Solve for x
    x = 484,385,382,721.86/789,030.56
  6. Step 6: Final answer
    x = 613,899.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.