Home / 850,454.37-1,275,728.13-344,940.30

Finding the Fourth Proportional to 850,454.37, 1,275,728.13 and 344,940.30

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Solution

The fourth proportional to 850,454.37, 1,275,728.13 and 344,940.30 is: 517,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,454.37 : 1,275,728.13 = 344,940.30 : x
  2. Step 2: Convert to fraction form
    850,454.37/1,275,728.13 = 344,940.30/x
  3. Step 3: Cross multiply
    850,454.37x = 1,275,728.13 × 344,940.30
  4. Step 4: Simplify right side
    850,454.37x = 440,050,043,880.64
  5. Step 5: Solve for x
    x = 440,050,043,880.64/850,454.37
  6. Step 6: Final answer
    x = 517,429.34

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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.