Home / 515,274.94-772,538.73-346,376.31

Finding the Fourth Proportional to 515,274.94, 772,538.73 and 346,376.31

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Solution

The fourth proportional to 515,274.94, 772,538.73 and 346,376.31 is: 519,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,274.94 : 772,538.73 = 346,376.31 : x
  2. Step 2: Convert to fraction form
    515,274.94/772,538.73 = 346,376.31/x
  3. Step 3: Cross multiply
    515,274.94x = 772,538.73 × 346,376.31
  4. Step 4: Simplify right side
    515,274.94x = 267,589,114,629.49
  5. Step 5: Solve for x
    x = 267,589,114,629.49/515,274.94
  6. Step 6: Final answer
    x = 519,313.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.