Home / 346,015.90-519,761.31-325,791.64

Finding the Fourth Proportional to 346,015.90, 519,761.31 and 325,791.64

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Solution

The fourth proportional to 346,015.90, 519,761.31 and 325,791.64 is: 489,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,015.90 : 519,761.31 = 325,791.64 : x
  2. Step 2: Convert to fraction form
    346,015.90/519,761.31 = 325,791.64/x
  3. Step 3: Cross multiply
    346,015.90x = 519,761.31 × 325,791.64
  4. Step 4: Simplify right side
    346,015.90x = 169,333,889,593.45
  5. Step 5: Solve for x
    x = 169,333,889,593.45/346,015.90
  6. Step 6: Final answer
    x = 489,381.82

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1.5x scale

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.