Home / 454,835.20-680,940.60-277,688.20

Finding the Fourth Proportional to 454,835.20, 680,940.60 and 277,688.20

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Solution

The fourth proportional to 454,835.20, 680,940.60 and 277,688.20 is: 415,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,835.20 : 680,940.60 = 277,688.20 : x
  2. Step 2: Convert to fraction form
    454,835.20/680,940.60 = 277,688.20/x
  3. Step 3: Cross multiply
    454,835.20x = 680,940.60 × 277,688.20
  4. Step 4: Simplify right side
    454,835.20x = 189,089,169,520.92
  5. Step 5: Solve for x
    x = 189,089,169,520.92/454,835.20
  6. Step 6: Final answer
    x = 415,731.17

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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.