Home / 545,162.19-752,323.73-303,439.56

Finding the Fourth Proportional to 545,162.19, 752,323.73 and 303,439.56

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Solution

The fourth proportional to 545,162.19, 752,323.73 and 303,439.56 is: 418,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,162.19 : 752,323.73 = 303,439.56 : x
  2. Step 2: Convert to fraction form
    545,162.19/752,323.73 = 303,439.56/x
  3. Step 3: Cross multiply
    545,162.19x = 752,323.73 × 303,439.56
  4. Step 4: Simplify right side
    545,162.19x = 228,284,780,091.56
  5. Step 5: Solve for x
    x = 228,284,780,091.56/545,162.19
  6. Step 6: Final answer
    x = 418,746.54

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Double scale
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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.