Home / 719,292.54-1,078,938.51-213,851.33

Finding the Fourth Proportional to 719,292.54, 1,078,938.51 and 213,851.33

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Solution

The fourth proportional to 719,292.54, 1,078,938.51 and 213,851.33 is: 320,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,292.54 : 1,078,938.51 = 213,851.33 : x
  2. Step 2: Convert to fraction form
    719,292.54/1,078,938.51 = 213,851.33/x
  3. Step 3: Cross multiply
    719,292.54x = 1,078,938.51 × 213,851.33
  4. Step 4: Simplify right side
    719,292.54x = 230,732,435,351.72
  5. Step 5: Solve for x
    x = 230,732,435,351.72/719,292.54
  6. Step 6: Final answer
    x = 320,776.91

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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.