Home / 789,873.36-1,090,083.72-450,350.16

Finding the Fourth Proportional to 789,873.36, 1,090,083.72 and 450,350.16

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Solution

The fourth proportional to 789,873.36, 1,090,083.72 and 450,350.16 is: 621,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,873.36 : 1,090,083.72 = 450,350.16 : x
  2. Step 2: Convert to fraction form
    789,873.36/1,090,083.72 = 450,350.16/x
  3. Step 3: Cross multiply
    789,873.36x = 1,090,083.72 × 450,350.16
  4. Step 4: Simplify right side
    789,873.36x = 490,919,377,715.40
  5. Step 5: Solve for x
    x = 490,919,377,715.40/789,873.36
  6. Step 6: Final answer
    x = 621,516.57

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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.