Home / 558,166.80-770,261.40-303,515.76

Finding the Fourth Proportional to 558,166.80, 770,261.40 and 303,515.76

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Solution

The fourth proportional to 558,166.80, 770,261.40 and 303,515.76 is: 418,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,166.80 : 770,261.40 = 303,515.76 : x
  2. Step 2: Convert to fraction form
    558,166.80/770,261.40 = 303,515.76/x
  3. Step 3: Cross multiply
    558,166.80x = 770,261.40 × 303,515.76
  4. Step 4: Simplify right side
    558,166.80x = 233,786,474,219.66
  5. Step 5: Solve for x
    x = 233,786,474,219.66/558,166.80
  6. Step 6: Final answer
    x = 418,846.97

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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.