Home / 763,361.19-1,143,297.77-364,282.20

Finding the Fourth Proportional to 763,361.19, 1,143,297.77 and 364,282.20

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Solution

The fourth proportional to 763,361.19, 1,143,297.77 and 364,282.20 is: 545,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,361.19 : 1,143,297.77 = 364,282.20 : x
  2. Step 2: Convert to fraction form
    763,361.19/1,143,297.77 = 364,282.20/x
  3. Step 3: Cross multiply
    763,361.19x = 1,143,297.77 × 364,282.20
  4. Step 4: Simplify right side
    763,361.19x = 416,483,025,089.28
  5. Step 5: Solve for x
    x = 416,483,025,089.28/763,361.19
  6. Step 6: Final answer
    x = 545,591.04

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1.5x scale

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.