Home / 808,548.20-1,212,822.30-275,989.40

Finding the Fourth Proportional to 808,548.20, 1,212,822.30 and 275,989.40

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Solution

The fourth proportional to 808,548.20, 1,212,822.30 and 275,989.40 is: 413,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,548.20 : 1,212,822.30 = 275,989.40 : x
  2. Step 2: Convert to fraction form
    808,548.20/1,212,822.30 = 275,989.40/x
  3. Step 3: Cross multiply
    808,548.20x = 1,212,822.30 × 275,989.40
  4. Step 4: Simplify right side
    808,548.20x = 334,726,098,883.62
  5. Step 5: Solve for x
    x = 334,726,098,883.62/808,548.20
  6. Step 6: Final answer
    x = 413,984.10

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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.