Home / 753,945.30-1,130,808.60-221,410.80

Finding the Fourth Proportional to 753,945.30, 1,130,808.60 and 221,410.80

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Solution

The fourth proportional to 753,945.30, 1,130,808.60 and 221,410.80 is: 332,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,945.30 : 1,130,808.60 = 221,410.80 : x
  2. Step 2: Convert to fraction form
    753,945.30/1,130,808.60 = 221,410.80/x
  3. Step 3: Cross multiply
    753,945.30x = 1,130,808.60 × 221,410.80
  4. Step 4: Simplify right side
    753,945.30x = 250,373,236,772.88
  5. Step 5: Solve for x
    x = 250,373,236,772.88/753,945.30
  6. Step 6: Final answer
    x = 332,084.09

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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.