Home / 765,551.83-1,147,555.81-481,445.41

Finding the Fourth Proportional to 765,551.83, 1,147,555.81 and 481,445.41

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Solution

The fourth proportional to 765,551.83, 1,147,555.81 and 481,445.41 is: 721,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,551.83 : 1,147,555.81 = 481,445.41 : x
  2. Step 2: Convert to fraction form
    765,551.83/1,147,555.81 = 481,445.41/x
  3. Step 3: Cross multiply
    765,551.83x = 1,147,555.81 × 481,445.41
  4. Step 4: Simplify right side
    765,551.83x = 552,485,476,636.97
  5. Step 5: Solve for x
    x = 552,485,476,636.97/765,551.83
  6. Step 6: Final answer
    x = 721,682.65

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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.