Home / 725,356.58-1,001,084.12-438,879.02

Finding the Fourth Proportional to 725,356.58, 1,001,084.12 and 438,879.02

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Solution

The fourth proportional to 725,356.58, 1,001,084.12 and 438,879.02 is: 605,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,356.58 : 1,001,084.12 = 438,879.02 : x
  2. Step 2: Convert to fraction form
    725,356.58/1,001,084.12 = 438,879.02/x
  3. Step 3: Cross multiply
    725,356.58x = 1,001,084.12 × 438,879.02
  4. Step 4: Simplify right side
    725,356.58x = 439,354,817,523.16
  5. Step 5: Solve for x
    x = 439,354,817,523.16/725,356.58
  6. Step 6: Final answer
    x = 605,708.74

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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.