Home / 572,218.97-789,664.34-317,570.15

Finding the Fourth Proportional to 572,218.97, 789,664.34 and 317,570.15

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Solution

The fourth proportional to 572,218.97, 789,664.34 and 317,570.15 is: 438,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,218.97 : 789,664.34 = 317,570.15 : x
  2. Step 2: Convert to fraction form
    572,218.97/789,664.34 = 317,570.15/x
  3. Step 3: Cross multiply
    572,218.97x = 789,664.34 × 317,570.15
  4. Step 4: Simplify right side
    572,218.97x = 250,773,825,671.54
  5. Step 5: Solve for x
    x = 250,773,825,671.54/572,218.97
  6. Step 6: Final answer
    x = 438,248.02

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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.