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Finding the Fourth Proportional to 558,360.72, 770,529.96 and 303,706.08

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Solution

The fourth proportional to 558,360.72, 770,529.96 and 303,706.08 is: 419,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,360.72 : 770,529.96 = 303,706.08 : x
  2. Step 2: Convert to fraction form
    558,360.72/770,529.96 = 303,706.08/x
  3. Step 3: Cross multiply
    558,360.72x = 770,529.96 × 303,706.08
  4. Step 4: Simplify right side
    558,360.72x = 234,014,633,674.16
  5. Step 5: Solve for x
    x = 234,014,633,674.16/558,360.72
  6. Step 6: Final answer
    x = 419,110.13

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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.