Home / 822,295.07-1,233,527.21-310,391.38

Finding the Fourth Proportional to 822,295.07, 1,233,527.21 and 310,391.38

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Solution

The fourth proportional to 822,295.07, 1,233,527.21 and 310,391.38 is: 465,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,295.07 : 1,233,527.21 = 310,391.38 : x
  2. Step 2: Convert to fraction form
    822,295.07/1,233,527.21 = 310,391.38/x
  3. Step 3: Cross multiply
    822,295.07x = 1,233,527.21 × 310,391.38
  4. Step 4: Simplify right side
    822,295.07x = 382,876,214,431.90
  5. Step 5: Solve for x
    x = 382,876,214,431.90/822,295.07
  6. Step 6: Final answer
    x = 465,619.01

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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.