Home / 964,415.38-1,446,623.08-324,665.60

Finding the Fourth Proportional to 964,415.38, 1,446,623.08 and 324,665.60

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Solution

The fourth proportional to 964,415.38, 1,446,623.08 and 324,665.60 is: 486,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,415.38 : 1,446,623.08 = 324,665.60 : x
  2. Step 2: Convert to fraction form
    964,415.38/1,446,623.08 = 324,665.60/x
  3. Step 3: Cross multiply
    964,415.38x = 1,446,623.08 × 324,665.60
  4. Step 4: Simplify right side
    964,415.38x = 469,668,750,334.52
  5. Step 5: Solve for x
    x = 469,668,750,334.52/964,415.38
  6. Step 6: Final answer
    x = 486,998.40

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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.