Home / 558,246.69-770,553.87-443,728.54

Finding the Fourth Proportional to 558,246.69, 770,553.87 and 443,728.54

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Solution

The fourth proportional to 558,246.69, 770,553.87 and 443,728.54 is: 612,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,246.69 : 770,553.87 = 443,728.54 : x
  2. Step 2: Convert to fraction form
    558,246.69/770,553.87 = 443,728.54/x
  3. Step 3: Cross multiply
    558,246.69x = 770,553.87 × 443,728.54
  4. Step 4: Simplify right side
    558,246.69x = 341,916,743,726.45
  5. Step 5: Solve for x
    x = 341,916,743,726.45/558,246.69
  6. Step 6: Final answer
    x = 612,483.25

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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.