Home / 558,500.12-770,707.70-303,852.36

Finding the Fourth Proportional to 558,500.12, 770,707.70 and 303,852.36

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Solution

The fourth proportional to 558,500.12, 770,707.70 and 303,852.36 is: 419,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,500.12 : 770,707.70 = 303,852.36 : x
  2. Step 2: Convert to fraction form
    558,500.12/770,707.70 = 303,852.36/x
  3. Step 3: Cross multiply
    558,500.12x = 770,707.70 × 303,852.36
  4. Step 4: Simplify right side
    558,500.12x = 234,181,353,515.17
  5. Step 5: Solve for x
    x = 234,181,353,515.17/558,500.12
  6. Step 6: Final answer
    x = 419,304.03

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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.