Home / 808,549.60-1,212,932.40-275,936.80

Finding the Fourth Proportional to 808,549.60, 1,212,932.40 and 275,936.80

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Solution

The fourth proportional to 808,549.60, 1,212,932.40 and 275,936.80 is: 413,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,549.60 : 1,212,932.40 = 275,936.80 : x
  2. Step 2: Convert to fraction form
    808,549.60/1,212,932.40 = 275,936.80/x
  3. Step 3: Cross multiply
    808,549.60x = 1,212,932.40 × 275,936.80
  4. Step 4: Simplify right side
    808,549.60x = 334,692,685,072.32
  5. Step 5: Solve for x
    x = 334,692,685,072.32/808,549.60
  6. Step 6: Final answer
    x = 413,942.06

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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.