Home / 765,266.40-1,147,918.50-365,949.36

Finding the Fourth Proportional to 765,266.40, 1,147,918.50 and 365,949.36

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Solution

The fourth proportional to 765,266.40, 1,147,918.50 and 365,949.36 is: 548,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,266.40 : 1,147,918.50 = 365,949.36 : x
  2. Step 2: Convert to fraction form
    765,266.40/1,147,918.50 = 365,949.36/x
  3. Step 3: Cross multiply
    765,266.40x = 1,147,918.50 × 365,949.36
  4. Step 4: Simplify right side
    765,266.40x = 420,080,040,407.16
  5. Step 5: Solve for x
    x = 420,080,040,407.16/765,266.40
  6. Step 6: Final answer
    x = 548,933.08

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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.