Home / 558,243.72-770,380.08-303,596.76

Finding the Fourth Proportional to 558,243.72, 770,380.08 and 303,596.76

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Solution

The fourth proportional to 558,243.72, 770,380.08 and 303,596.76 is: 418,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,243.72 : 770,380.08 = 303,596.76 : x
  2. Step 2: Convert to fraction form
    558,243.72/770,380.08 = 303,596.76/x
  3. Step 3: Cross multiply
    558,243.72x = 770,380.08 × 303,596.76
  4. Step 4: Simplify right side
    558,243.72x = 233,884,896,256.54
  5. Step 5: Solve for x
    x = 233,884,896,256.54/558,243.72
  6. Step 6: Final answer
    x = 418,965.57

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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.