Home / 729,297.24-1,006,485.86-402,673.24

Finding the Fourth Proportional to 729,297.24, 1,006,485.86 and 402,673.24

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Solution

The fourth proportional to 729,297.24, 1,006,485.86 and 402,673.24 is: 555,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,297.24 : 1,006,485.86 = 402,673.24 : x
  2. Step 2: Convert to fraction form
    729,297.24/1,006,485.86 = 402,673.24/x
  3. Step 3: Cross multiply
    729,297.24x = 1,006,485.86 × 402,673.24
  4. Step 4: Simplify right side
    729,297.24x = 405,284,922,260.39
  5. Step 5: Solve for x
    x = 405,284,922,260.39/729,297.24
  6. Step 6: Final answer
    x = 555,719.81

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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.