Home / 645,848.80-968,427.60-271,448.80

Finding the Fourth Proportional to 645,848.80, 968,427.60 and 271,448.80

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Solution

The fourth proportional to 645,848.80, 968,427.60 and 271,448.80 is: 407,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,848.80 : 968,427.60 = 271,448.80 : x
  2. Step 2: Convert to fraction form
    645,848.80/968,427.60 = 271,448.80/x
  3. Step 3: Cross multiply
    645,848.80x = 968,427.60 × 271,448.80
  4. Step 4: Simplify right side
    645,848.80x = 262,878,509,906.88
  5. Step 5: Solve for x
    x = 262,878,509,906.88/645,848.80
  6. Step 6: Final answer
    x = 407,027.95

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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.