Home / 789,874.36-1,090,085.10-450,351.16

Finding the Fourth Proportional to 789,874.36, 1,090,085.10 and 450,351.16

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Solution

The fourth proportional to 789,874.36, 1,090,085.10 and 450,351.16 is: 621,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,874.36 : 1,090,085.10 = 450,351.16 : x
  2. Step 2: Convert to fraction form
    789,874.36/1,090,085.10 = 450,351.16/x
  3. Step 3: Cross multiply
    789,874.36x = 1,090,085.10 × 450,351.16
  4. Step 4: Simplify right side
    789,874.36x = 490,921,089,283.72
  5. Step 5: Solve for x
    x = 490,921,089,283.72/789,874.36
  6. Step 6: Final answer
    x = 621,517.95

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Double scale
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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.