Home / 789,873.61-1,090,084.07-450,350.41

Finding the Fourth Proportional to 789,873.61, 1,090,084.07 and 450,350.41

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Solution

The fourth proportional to 789,873.61, 1,090,084.07 and 450,350.41 is: 621,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,873.61 : 1,090,084.07 = 450,350.41 : x
  2. Step 2: Convert to fraction form
    789,873.61/1,090,084.07 = 450,350.41/x
  3. Step 3: Cross multiply
    789,873.61x = 1,090,084.07 × 450,350.41
  4. Step 4: Simplify right side
    789,873.61x = 490,919,805,607.22
  5. Step 5: Solve for x
    x = 490,919,805,607.22/789,873.61
  6. Step 6: Final answer
    x = 621,516.91

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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.