Home / 836,628.02-1,255,138.85-275,662.50

Finding the Fourth Proportional to 836,628.02, 1,255,138.85 and 275,662.50

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Solution

The fourth proportional to 836,628.02, 1,255,138.85 and 275,662.50 is: 413,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,628.02 : 1,255,138.85 = 275,662.50 : x
  2. Step 2: Convert to fraction form
    836,628.02/1,255,138.85 = 275,662.50/x
  3. Step 3: Cross multiply
    836,628.02x = 1,255,138.85 × 275,662.50
  4. Step 4: Simplify right side
    836,628.02x = 345,994,713,238.13
  5. Step 5: Solve for x
    x = 345,994,713,238.13/836,628.02
  6. Step 6: Final answer
    x = 413,558.60

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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.