Home / 719,783.17-1,079,907.93-214,348.33

Finding the Fourth Proportional to 719,783.17, 1,079,907.93 and 214,348.33

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Solution

The fourth proportional to 719,783.17, 1,079,907.93 and 214,348.33 is: 321,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,783.17 : 1,079,907.93 = 214,348.33 : x
  2. Step 2: Convert to fraction form
    719,783.17/1,079,907.93 = 214,348.33/x
  3. Step 3: Cross multiply
    719,783.17x = 1,079,907.93 × 214,348.33
  4. Step 4: Simplify right side
    719,783.17x = 231,476,462,699.14
  5. Step 5: Solve for x
    x = 231,476,462,699.14/719,783.17
  6. Step 6: Final answer
    x = 321,591.94

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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.