Home / 558,282.16-770,433.02-303,635.20

Finding the Fourth Proportional to 558,282.16, 770,433.02 and 303,635.20

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Solution

The fourth proportional to 558,282.16, 770,433.02 and 303,635.20 is: 419,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,282.16 : 770,433.02 = 303,635.20 : x
  2. Step 2: Convert to fraction form
    558,282.16/770,433.02 = 303,635.20/x
  3. Step 3: Cross multiply
    558,282.16x = 770,433.02 × 303,635.20
  4. Step 4: Simplify right side
    558,282.16x = 233,930,584,114.30
  5. Step 5: Solve for x
    x = 233,930,584,114.30/558,282.16
  6. Step 6: Final answer
    x = 419,018.56

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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.