Home / 745,145.70-1,117,091.61-324,104.46

Finding the Fourth Proportional to 745,145.70, 1,117,091.61 and 324,104.46

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Solution

The fourth proportional to 745,145.70, 1,117,091.61 and 324,104.46 is: 485,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,145.70 : 1,117,091.61 = 324,104.46 : x
  2. Step 2: Convert to fraction form
    745,145.70/1,117,091.61 = 324,104.46/x
  3. Step 3: Cross multiply
    745,145.70x = 1,117,091.61 × 324,104.46
  4. Step 4: Simplify right side
    745,145.70x = 362,054,373,029.58
  5. Step 5: Solve for x
    x = 362,054,373,029.58/745,145.70
  6. Step 6: Final answer
    x = 485,884.00

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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.