Home / 822,262.69-1,135,072.29-500,076.28

Finding the Fourth Proportional to 822,262.69, 1,135,072.29 and 500,076.28

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Solution

The fourth proportional to 822,262.69, 1,135,072.29 and 500,076.28 is: 690,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,262.69 : 1,135,072.29 = 500,076.28 : x
  2. Step 2: Convert to fraction form
    822,262.69/1,135,072.29 = 500,076.28/x
  3. Step 3: Cross multiply
    822,262.69x = 1,135,072.29 × 500,076.28
  4. Step 4: Simplify right side
    822,262.69x = 567,622,728,314.28
  5. Step 5: Solve for x
    x = 567,622,728,314.28/822,262.69
  6. Step 6: Final answer
    x = 690,317.99

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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.