Home / 808,385.45-1,212,244.54-275,949.41

Finding the Fourth Proportional to 808,385.45, 1,212,244.54 and 275,949.41

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Solution

The fourth proportional to 808,385.45, 1,212,244.54 and 275,949.41 is: 413,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,385.45 : 1,212,244.54 = 275,949.41 : x
  2. Step 2: Convert to fraction form
    808,385.45/1,212,244.54 = 275,949.41/x
  3. Step 3: Cross multiply
    808,385.45x = 1,212,244.54 × 275,949.41
  4. Step 4: Simplify right side
    808,385.45x = 334,518,165,588.72
  5. Step 5: Solve for x
    x = 334,518,165,588.72/808,385.45
  6. Step 6: Final answer
    x = 413,810.23

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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.