Home / 719,223.58-1,079,050-213,801.40

Finding the Fourth Proportional to 719,223.58, 1,079,050 and 213,801.40

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Solution

The fourth proportional to 719,223.58, 1,079,050 and 213,801.40 is: 320,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,223.58 : 1,079,050 = 213,801.40 : x
  2. Step 2: Convert to fraction form
    719,223.58/1,079,050 = 213,801.40/x
  3. Step 3: Cross multiply
    719,223.58x = 1,079,050 × 213,801.40
  4. Step 4: Simplify right side
    719,223.58x = 230,702,400,670
  5. Step 5: Solve for x
    x = 230,702,400,670/719,223.58
  6. Step 6: Final answer
    x = 320,765.90

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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.