Home / 985,137.08-1,477,968.78-354,056.36

Finding the Fourth Proportional to 985,137.08, 1,477,968.78 and 354,056.36

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Solution

The fourth proportional to 985,137.08, 1,477,968.78 and 354,056.36 is: 531,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,137.08 : 1,477,968.78 = 354,056.36 : x
  2. Step 2: Convert to fraction form
    985,137.08/1,477,968.78 = 354,056.36/x
  3. Step 3: Cross multiply
    985,137.08x = 1,477,968.78 × 354,056.36
  4. Step 4: Simplify right side
    985,137.08x = 523,284,246,440.44
  5. Step 5: Solve for x
    x = 523,284,246,440.44/985,137.08
  6. Step 6: Final answer
    x = 531,179.12

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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.