Home / 723,912.36-999,118.98-401,725.92

Finding the Fourth Proportional to 723,912.36, 999,118.98 and 401,725.92

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Solution

The fourth proportional to 723,912.36, 999,118.98 and 401,725.92 is: 554,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,912.36 : 999,118.98 = 401,725.92 : x
  2. Step 2: Convert to fraction form
    723,912.36/999,118.98 = 401,725.92/x
  3. Step 3: Cross multiply
    723,912.36x = 999,118.98 × 401,725.92
  4. Step 4: Simplify right side
    723,912.36x = 401,371,991,429.96
  5. Step 5: Solve for x
    x = 401,371,991,429.96/723,912.36
  6. Step 6: Final answer
    x = 554,448.32

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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.