Home / 544,436.82-751,416.86-315,120.55

Finding the Fourth Proportional to 544,436.82, 751,416.86 and 315,120.55

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Solution

The fourth proportional to 544,436.82, 751,416.86 and 315,120.55 is: 434,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,436.82 : 751,416.86 = 315,120.55 : x
  2. Step 2: Convert to fraction form
    544,436.82/751,416.86 = 315,120.55/x
  3. Step 3: Cross multiply
    544,436.82x = 751,416.86 × 315,120.55
  4. Step 4: Simplify right side
    544,436.82x = 236,786,895,798.88
  5. Step 5: Solve for x
    x = 236,786,895,798.88/544,436.82
  6. Step 6: Final answer
    x = 434,920.79

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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.