Home / 863,231.09-1,292,337.05-502,301.94

Finding the Fourth Proportional to 863,231.09, 1,292,337.05 and 502,301.94

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Solution

The fourth proportional to 863,231.09, 1,292,337.05 and 502,301.94 is: 751,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,231.09 : 1,292,337.05 = 502,301.94 : x
  2. Step 2: Convert to fraction form
    863,231.09/1,292,337.05 = 502,301.94/x
  3. Step 3: Cross multiply
    863,231.09x = 1,292,337.05 × 502,301.94
  4. Step 4: Simplify right side
    863,231.09x = 649,143,407,260.50
  5. Step 5: Solve for x
    x = 649,143,407,260.50/863,231.09
  6. Step 6: Final answer
    x = 751,992.62

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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.