Home / 804,461.80-1,206,336.30-271,838.20

Finding the Fourth Proportional to 804,461.80, 1,206,336.30 and 271,838.20

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Solution

The fourth proportional to 804,461.80, 1,206,336.30 and 271,838.20 is: 407,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,461.80 : 1,206,336.30 = 271,838.20 : x
  2. Step 2: Convert to fraction form
    804,461.80/1,206,336.30 = 271,838.20/x
  3. Step 3: Cross multiply
    804,461.80x = 1,206,336.30 × 271,838.20
  4. Step 4: Simplify right side
    804,461.80x = 327,928,288,386.66
  5. Step 5: Solve for x
    x = 327,928,288,386.66/804,461.80
  6. Step 6: Final answer
    x = 407,636.87

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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.