Home / 745,114.20-1,117,044.36-324,072.96

Finding the Fourth Proportional to 745,114.20, 1,117,044.36 and 324,072.96

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Solution

The fourth proportional to 745,114.20, 1,117,044.36 and 324,072.96 is: 485,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,114.20 : 1,117,044.36 = 324,072.96 : x
  2. Step 2: Convert to fraction form
    745,114.20/1,117,044.36 = 324,072.96/x
  3. Step 3: Cross multiply
    745,114.20x = 1,117,044.36 × 324,072.96
  4. Step 4: Simplify right side
    745,114.20x = 362,003,872,196.51
  5. Step 5: Solve for x
    x = 362,003,872,196.51/745,114.20
  6. Step 6: Final answer
    x = 485,836.76

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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.