Home / 763,899.07-1,145,844.12-195,279.37

Finding the Fourth Proportional to 763,899.07, 1,145,844.12 and 195,279.37

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Solution

The fourth proportional to 763,899.07, 1,145,844.12 and 195,279.37 is: 292,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,899.07 : 1,145,844.12 = 195,279.37 : x
  2. Step 2: Convert to fraction form
    763,899.07/1,145,844.12 = 195,279.37/x
  3. Step 3: Cross multiply
    763,899.07x = 1,145,844.12 × 195,279.37
  4. Step 4: Simplify right side
    763,899.07x = 223,759,711,166.19
  5. Step 5: Solve for x
    x = 223,759,711,166.19/763,899.07
  6. Step 6: Final answer
    x = 292,917.90

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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.