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Finding the Fourth Proportional to 730,652, 1,095,540.60 and 303,673.28

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Solution

The fourth proportional to 730,652, 1,095,540.60 and 303,673.28 is: 455,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,652 : 1,095,540.60 = 303,673.28 : x
  2. Step 2: Convert to fraction form
    730,652/1,095,540.60 = 303,673.28/x
  3. Step 3: Cross multiply
    730,652x = 1,095,540.60 × 303,673.28
  4. Step 4: Simplify right side
    730,652x = 332,686,407,375.17
  5. Step 5: Solve for x
    x = 332,686,407,375.17/730,652
  6. Step 6: Final answer
    x = 455,328.13

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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.