Home / 765,971.43-1,056,880.35-443,662.32

Finding the Fourth Proportional to 765,971.43, 1,056,880.35 and 443,662.32

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Solution

The fourth proportional to 765,971.43, 1,056,880.35 and 443,662.32 is: 612,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,971.43 : 1,056,880.35 = 443,662.32 : x
  2. Step 2: Convert to fraction form
    765,971.43/1,056,880.35 = 443,662.32/x
  3. Step 3: Cross multiply
    765,971.43x = 1,056,880.35 × 443,662.32
  4. Step 4: Simplify right side
    765,971.43x = 468,897,988,043.41
  5. Step 5: Solve for x
    x = 468,897,988,043.41/765,971.43
  6. Step 6: Final answer
    x = 612,161.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.