Home / 558,268.97-770,237.39-316,532.57

Finding the Fourth Proportional to 558,268.97, 770,237.39 and 316,532.57

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Solution

The fourth proportional to 558,268.97, 770,237.39 and 316,532.57 is: 436,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,268.97 : 770,237.39 = 316,532.57 : x
  2. Step 2: Convert to fraction form
    558,268.97/770,237.39 = 316,532.57/x
  3. Step 3: Cross multiply
    558,268.97x = 770,237.39 × 316,532.57
  4. Step 4: Simplify right side
    558,268.97x = 243,805,218,984.13
  5. Step 5: Solve for x
    x = 243,805,218,984.13/558,268.97
  6. Step 6: Final answer
    x = 436,716.41

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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.