Home / 572,259.97-789,755.67-317,611.16

Finding the Fourth Proportional to 572,259.97, 789,755.67 and 317,611.16

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Solution

The fourth proportional to 572,259.97, 789,755.67 and 317,611.16 is: 438,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,259.97 : 789,755.67 = 317,611.16 : x
  2. Step 2: Convert to fraction form
    572,259.97/789,755.67 = 317,611.16/x
  3. Step 3: Cross multiply
    572,259.97x = 789,755.67 × 317,611.16
  4. Step 4: Simplify right side
    572,259.97x = 250,835,212,877.22
  5. Step 5: Solve for x
    x = 250,835,212,877.22/572,259.97
  6. Step 6: Final answer
    x = 438,323.88

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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.