Home / 723,050.82-1,083,164.67-343,431.36

Finding the Fourth Proportional to 723,050.82, 1,083,164.67 and 343,431.36

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Solution

The fourth proportional to 723,050.82, 1,083,164.67 and 343,431.36 is: 514,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,050.82 : 1,083,164.67 = 343,431.36 : x
  2. Step 2: Convert to fraction form
    723,050.82/1,083,164.67 = 343,431.36/x
  3. Step 3: Cross multiply
    723,050.82x = 1,083,164.67 × 343,431.36
  4. Step 4: Simplify right side
    723,050.82x = 371,992,715,722.05
  5. Step 5: Solve for x
    x = 371,992,715,722.05/723,050.82
  6. Step 6: Final answer
    x = 514,476.58

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1.5x scale

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.