Home / 558,579.08-770,842.50-303,931.82

Finding the Fourth Proportional to 558,579.08, 770,842.50 and 303,931.82

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Solution

The fourth proportional to 558,579.08, 770,842.50 and 303,931.82 is: 419,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,579.08 : 770,842.50 = 303,931.82 : x
  2. Step 2: Convert to fraction form
    558,579.08/770,842.50 = 303,931.82/x
  3. Step 3: Cross multiply
    558,579.08x = 770,842.50 × 303,931.82
  4. Step 4: Simplify right side
    558,579.08x = 234,283,563,958.35
  5. Step 5: Solve for x
    x = 234,283,563,958.35/558,579.08
  6. Step 6: Final answer
    x = 419,427.75

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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.