Home / 726,888.61-1,003,106.31-404,591.81

Finding the Fourth Proportional to 726,888.61, 1,003,106.31 and 404,591.81

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Solution

The fourth proportional to 726,888.61, 1,003,106.31 and 404,591.81 is: 558,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,888.61 : 1,003,106.31 = 404,591.81 : x
  2. Step 2: Convert to fraction form
    726,888.61/1,003,106.31 = 404,591.81/x
  3. Step 3: Cross multiply
    726,888.61x = 1,003,106.31 × 404,591.81
  4. Step 4: Simplify right side
    726,888.61x = 405,848,593,328.40
  5. Step 5: Solve for x
    x = 405,848,593,328.40/726,888.61
  6. Step 6: Final answer
    x = 558,336.71

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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.