Home / 544,437.82-751,418.24-315,121.55

Finding the Fourth Proportional to 544,437.82, 751,418.24 and 315,121.55

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Solution

The fourth proportional to 544,437.82, 751,418.24 and 315,121.55 is: 434,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,437.82 : 751,418.24 = 315,121.55 : x
  2. Step 2: Convert to fraction form
    544,437.82/751,418.24 = 315,121.55/x
  3. Step 3: Cross multiply
    544,437.82x = 751,418.24 × 315,121.55
  4. Step 4: Simplify right side
    544,437.82x = 236,788,080,487.07
  5. Step 5: Solve for x
    x = 236,788,080,487.07/544,437.82
  6. Step 6: Final answer
    x = 434,922.17

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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.