Home / 558,284.43-770,430.36-303,639.87

Finding the Fourth Proportional to 558,284.43, 770,430.36 and 303,639.87

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Solution

The fourth proportional to 558,284.43, 770,430.36 and 303,639.87 is: 419,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,284.43 : 770,430.36 = 303,639.87 : x
  2. Step 2: Convert to fraction form
    558,284.43/770,430.36 = 303,639.87/x
  3. Step 3: Cross multiply
    558,284.43x = 770,430.36 × 303,639.87
  4. Step 4: Simplify right side
    558,284.43x = 233,933,374,354.45
  5. Step 5: Solve for x
    x = 233,933,374,354.45/558,284.43
  6. Step 6: Final answer
    x = 419,021.85

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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.