Home / 558,584.88-770,846.16-303,934.72

Finding the Fourth Proportional to 558,584.88, 770,846.16 and 303,934.72

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Solution

The fourth proportional to 558,584.88, 770,846.16 and 303,934.72 is: 419,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,584.88 : 770,846.16 = 303,934.72 : x
  2. Step 2: Convert to fraction form
    558,584.88/770,846.16 = 303,934.72/x
  3. Step 3: Cross multiply
    558,584.88x = 770,846.16 × 303,934.72
  4. Step 4: Simplify right side
    558,584.88x = 234,286,911,802.68
  5. Step 5: Solve for x
    x = 234,286,911,802.68/558,584.88
  6. Step 6: Final answer
    x = 419,429.38

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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.