Home / 851,848.60-1,277,623.03-311,993.32

Finding the Fourth Proportional to 851,848.60, 1,277,623.03 and 311,993.32

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Solution

The fourth proportional to 851,848.60, 1,277,623.03 and 311,993.32 is: 467,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,848.60 : 1,277,623.03 = 311,993.32 : x
  2. Step 2: Convert to fraction form
    851,848.60/1,277,623.03 = 311,993.32/x
  3. Step 3: Cross multiply
    851,848.60x = 1,277,623.03 × 311,993.32
  4. Step 4: Simplify right side
    851,848.60x = 398,609,850,838.16
  5. Step 5: Solve for x
    x = 398,609,850,838.16/851,848.60
  6. Step 6: Final answer
    x = 467,935.09

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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.