Home / 558,417.14-770,615.07-303,767.72

Finding the Fourth Proportional to 558,417.14, 770,615.07 and 303,767.72

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Solution

The fourth proportional to 558,417.14, 770,615.07 and 303,767.72 is: 419,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,417.14 : 770,615.07 = 303,767.72 : x
  2. Step 2: Convert to fraction form
    558,417.14/770,615.07 = 303,767.72/x
  3. Step 3: Cross multiply
    558,417.14x = 770,615.07 × 303,767.72
  4. Step 4: Simplify right side
    558,417.14x = 234,087,982,811.54
  5. Step 5: Solve for x
    x = 234,087,982,811.54/558,417.14
  6. Step 6: Final answer
    x = 419,199.14

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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.