Home / 558,624.75-770,895.68-303,971.55

Finding the Fourth Proportional to 558,624.75, 770,895.68 and 303,971.55

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Solution

The fourth proportional to 558,624.75, 770,895.68 and 303,971.55 is: 419,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,624.75 : 770,895.68 = 303,971.55 : x
  2. Step 2: Convert to fraction form
    558,624.75/770,895.68 = 303,971.55/x
  3. Step 3: Cross multiply
    558,624.75x = 770,895.68 × 303,971.55
  4. Step 4: Simplify right side
    558,624.75x = 234,330,353,218.05
  5. Step 5: Solve for x
    x = 234,330,353,218.05/558,624.75
  6. Step 6: Final answer
    x = 419,477.21

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Double scale
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1.5x scale

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.