Home / 719,440.40-1,078,907.27-239,537.88

Finding the Fourth Proportional to 719,440.40, 1,078,907.27 and 239,537.88

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Solution

The fourth proportional to 719,440.40, 1,078,907.27 and 239,537.88 is: 359,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,440.40 : 1,078,907.27 = 239,537.88 : x
  2. Step 2: Convert to fraction form
    719,440.40/1,078,907.27 = 239,537.88/x
  3. Step 3: Cross multiply
    719,440.40x = 1,078,907.27 × 239,537.88
  4. Step 4: Simplify right side
    719,440.40x = 258,439,158,974.70
  5. Step 5: Solve for x
    x = 258,439,158,974.70/719,440.40
  6. Step 6: Final answer
    x = 359,222.47

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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.