Home / 558,426.14-770,627.48-303,776.72

Finding the Fourth Proportional to 558,426.14, 770,627.48 and 303,776.72

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Solution

The fourth proportional to 558,426.14, 770,627.48 and 303,776.72 is: 419,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,426.14 : 770,627.48 = 303,776.72 : x
  2. Step 2: Convert to fraction form
    558,426.14/770,627.48 = 303,776.72/x
  3. Step 3: Cross multiply
    558,426.14x = 770,627.48 × 303,776.72
  4. Step 4: Simplify right side
    558,426.14x = 234,098,688,216.27
  5. Step 5: Solve for x
    x = 234,098,688,216.27/558,426.14
  6. Step 6: Final answer
    x = 419,211.55

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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.