Home / 768,634.54-1,153,651.45-409,107.23

Finding the Fourth Proportional to 768,634.54, 1,153,651.45 and 409,107.23

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Solution

The fourth proportional to 768,634.54, 1,153,651.45 and 409,107.23 is: 614,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,634.54 : 1,153,651.45 = 409,107.23 : x
  2. Step 2: Convert to fraction form
    768,634.54/1,153,651.45 = 409,107.23/x
  3. Step 3: Cross multiply
    768,634.54x = 1,153,651.45 × 409,107.23
  4. Step 4: Simplify right side
    768,634.54x = 471,967,142,303.96
  5. Step 5: Solve for x
    x = 471,967,142,303.96/768,634.54
  6. Step 6: Final answer
    x = 614,033.22

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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.