Home / 558,228.08-770,333.28-303,579.56

Finding the Fourth Proportional to 558,228.08, 770,333.28 and 303,579.56

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Solution

The fourth proportional to 558,228.08, 770,333.28 and 303,579.56 is: 418,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,228.08 : 770,333.28 = 303,579.56 : x
  2. Step 2: Convert to fraction form
    558,228.08/770,333.28 = 303,579.56/x
  3. Step 3: Cross multiply
    558,228.08x = 770,333.28 × 303,579.56
  4. Step 4: Simplify right side
    558,228.08x = 233,857,438,195.76
  5. Step 5: Solve for x
    x = 233,857,438,195.76/558,228.08
  6. Step 6: Final answer
    x = 418,928.12

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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.