Home / 820,065.54-1,230,093.10-280,061.27

Finding the Fourth Proportional to 820,065.54, 1,230,093.10 and 280,061.27

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Solution

The fourth proportional to 820,065.54, 1,230,093.10 and 280,061.27 is: 420,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,065.54 : 1,230,093.10 = 280,061.27 : x
  2. Step 2: Convert to fraction form
    820,065.54/1,230,093.10 = 280,061.27/x
  3. Step 3: Cross multiply
    820,065.54x = 1,230,093.10 × 280,061.27
  4. Step 4: Simplify right side
    820,065.54x = 344,501,435,804.24
  5. Step 5: Solve for x
    x = 344,501,435,804.24/820,065.54
  6. Step 6: Final answer
    x = 420,090.13

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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.