Home / 809,361.10-1,214,479.05-360,151.30

Finding the Fourth Proportional to 809,361.10, 1,214,479.05 and 360,151.30

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Solution

The fourth proportional to 809,361.10, 1,214,479.05 and 360,151.30 is: 540,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,361.10 : 1,214,479.05 = 360,151.30 : x
  2. Step 2: Convert to fraction form
    809,361.10/1,214,479.05 = 360,151.30/x
  3. Step 3: Cross multiply
    809,361.10x = 1,214,479.05 × 360,151.30
  4. Step 4: Simplify right side
    809,361.10x = 437,396,208,680.27
  5. Step 5: Solve for x
    x = 437,396,208,680.27/809,361.10
  6. Step 6: Final answer
    x = 540,421.59

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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.