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Finding the Fourth Proportional to 558,041.91, 770,094.03 and 303,393.09

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Solution

The fourth proportional to 558,041.91, 770,094.03 and 303,393.09 is: 418,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,041.91 : 770,094.03 = 303,393.09 : x
  2. Step 2: Convert to fraction form
    558,041.91/770,094.03 = 303,393.09/x
  3. Step 3: Cross multiply
    558,041.91x = 770,094.03 × 303,393.09
  4. Step 4: Simplify right side
    558,041.91x = 233,641,207,352.25
  5. Step 5: Solve for x
    x = 233,641,207,352.25/558,041.91
  6. Step 6: Final answer
    x = 418,680.40

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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.