Home / 545,584.72-752,930.28-303,867.35

Finding the Fourth Proportional to 545,584.72, 752,930.28 and 303,867.35

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Solution

The fourth proportional to 545,584.72, 752,930.28 and 303,867.35 is: 419,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,584.72 : 752,930.28 = 303,867.35 : x
  2. Step 2: Convert to fraction form
    545,584.72/752,930.28 = 303,867.35/x
  3. Step 3: Cross multiply
    545,584.72x = 752,930.28 × 303,867.35
  4. Step 4: Simplify right side
    545,584.72x = 228,790,927,399.02
  5. Step 5: Solve for x
    x = 228,790,927,399.02/545,584.72
  6. Step 6: Final answer
    x = 419,349.96

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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.