Home / 726,795.23-1,002,967.31-404,505.39

Finding the Fourth Proportional to 726,795.23, 1,002,967.31 and 404,505.39

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Solution

The fourth proportional to 726,795.23, 1,002,967.31 and 404,505.39 is: 558,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,795.23 : 1,002,967.31 = 404,505.39 : x
  2. Step 2: Convert to fraction form
    726,795.23/1,002,967.31 = 404,505.39/x
  3. Step 3: Cross multiply
    726,795.23x = 1,002,967.31 × 404,505.39
  4. Step 4: Simplify right side
    726,795.23x = 405,705,687,661.19
  5. Step 5: Solve for x
    x = 405,705,687,661.19/726,795.23
  6. Step 6: Final answer
    x = 558,211.82

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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.