Home / 883,500.64-1,325,406.80-323,317.60

Finding the Fourth Proportional to 883,500.64, 1,325,406.80 and 323,317.60

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Solution

The fourth proportional to 883,500.64, 1,325,406.80 and 323,317.60 is: 485,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,500.64 : 1,325,406.80 = 323,317.60 : x
  2. Step 2: Convert to fraction form
    883,500.64/1,325,406.80 = 323,317.60/x
  3. Step 3: Cross multiply
    883,500.64x = 1,325,406.80 × 323,317.60
  4. Step 4: Simplify right side
    883,500.64x = 428,527,345,599.68
  5. Step 5: Solve for x
    x = 428,527,345,599.68/883,500.64
  6. Step 6: Final answer
    x = 485,033.43

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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.