Home / 787,976.10-1,182,066.21-361,409.04

Finding the Fourth Proportional to 787,976.10, 1,182,066.21 and 361,409.04

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Solution

The fourth proportional to 787,976.10, 1,182,066.21 and 361,409.04 is: 542,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,976.10 : 1,182,066.21 = 361,409.04 : x
  2. Step 2: Convert to fraction form
    787,976.10/1,182,066.21 = 361,409.04/x
  3. Step 3: Cross multiply
    787,976.10x = 1,182,066.21 × 361,409.04
  4. Step 4: Simplify right side
    787,976.10x = 427,209,414,172.54
  5. Step 5: Solve for x
    x = 427,209,414,172.54/787,976.10
  6. Step 6: Final answer
    x = 542,160.37

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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.