Home / 724,976.06-1,087,380.59-192,538.76

Finding the Fourth Proportional to 724,976.06, 1,087,380.59 and 192,538.76

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Solution

The fourth proportional to 724,976.06, 1,087,380.59 and 192,538.76 is: 288,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,976.06 : 1,087,380.59 = 192,538.76 : x
  2. Step 2: Convert to fraction form
    724,976.06/1,087,380.59 = 192,538.76/x
  3. Step 3: Cross multiply
    724,976.06x = 1,087,380.59 × 192,538.76
  4. Step 4: Simplify right side
    724,976.06x = 209,362,904,047.07
  5. Step 5: Solve for x
    x = 209,362,904,047.07/724,976.06
  6. Step 6: Final answer
    x = 288,785.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.