Home / 719,036.08-1,078,401-213,460

Finding the Fourth Proportional to 719,036.08, 1,078,401 and 213,460

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Solution

The fourth proportional to 719,036.08, 1,078,401 and 213,460 is: 320,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,036.08 : 1,078,401 = 213,460 : x
  2. Step 2: Convert to fraction form
    719,036.08/1,078,401 = 213,460/x
  3. Step 3: Cross multiply
    719,036.08x = 1,078,401 × 213,460
  4. Step 4: Simplify right side
    719,036.08x = 230,195,477,460
  5. Step 5: Solve for x
    x = 230,195,477,460/719,036.08
  6. Step 6: Final answer
    x = 320,144.54

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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.