Home / 888,003.20-1,332,004.80-355,606.40

Finding the Fourth Proportional to 888,003.20, 1,332,004.80 and 355,606.40

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Solution

The fourth proportional to 888,003.20, 1,332,004.80 and 355,606.40 is: 533,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,003.20 : 1,332,004.80 = 355,606.40 : x
  2. Step 2: Convert to fraction form
    888,003.20/1,332,004.80 = 355,606.40/x
  3. Step 3: Cross multiply
    888,003.20x = 1,332,004.80 × 355,606.40
  4. Step 4: Simplify right side
    888,003.20x = 473,669,431,710.72
  5. Step 5: Solve for x
    x = 473,669,431,710.72/888,003.20
  6. Step 6: Final answer
    x = 533,409.60

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Similar ratio
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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.