Home / 725,357.08-1,001,084.81-438,879.52

Finding the Fourth Proportional to 725,357.08, 1,001,084.81 and 438,879.52

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Solution

The fourth proportional to 725,357.08, 1,001,084.81 and 438,879.52 is: 605,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,357.08 : 1,001,084.81 = 438,879.52 : x
  2. Step 2: Convert to fraction form
    725,357.08/1,001,084.81 = 438,879.52/x
  3. Step 3: Cross multiply
    725,357.08x = 1,001,084.81 × 438,879.52
  4. Step 4: Simplify right side
    725,357.08x = 439,355,620,892.09
  5. Step 5: Solve for x
    x = 439,355,620,892.09/725,357.08
  6. Step 6: Final answer
    x = 605,709.43

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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.