Home / 719,333.44-1,078,999.80-213,892.24

Finding the Fourth Proportional to 719,333.44, 1,078,999.80 and 213,892.24

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Solution

The fourth proportional to 719,333.44, 1,078,999.80 and 213,892.24 is: 320,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,333.44 : 1,078,999.80 = 213,892.24 : x
  2. Step 2: Convert to fraction form
    719,333.44/1,078,999.80 = 213,892.24/x
  3. Step 3: Cross multiply
    719,333.44x = 1,078,999.80 × 213,892.24
  4. Step 4: Simplify right side
    719,333.44x = 230,789,684,181.55
  5. Step 5: Solve for x
    x = 230,789,684,181.55/719,333.44
  6. Step 6: Final answer
    x = 320,838.25

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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.