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Finding the Fourth Proportional to 558,228.92, 770,348.68 and 303,574.64

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Solution

The fourth proportional to 558,228.92, 770,348.68 and 303,574.64 is: 418,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,228.92 : 770,348.68 = 303,574.64 : x
  2. Step 2: Convert to fraction form
    558,228.92/770,348.68 = 303,574.64/x
  3. Step 3: Cross multiply
    558,228.92x = 770,348.68 × 303,574.64
  4. Step 4: Simplify right side
    558,228.92x = 233,858,318,594.80
  5. Step 5: Solve for x
    x = 233,858,318,594.80/558,228.92
  6. Step 6: Final answer
    x = 418,929.07

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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.