Home / 941,620.47-1,299,420.95-511,911.33

Finding the Fourth Proportional to 941,620.47, 1,299,420.95 and 511,911.33

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Solution

The fourth proportional to 941,620.47, 1,299,420.95 and 511,911.33 is: 706,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,620.47 : 1,299,420.95 = 511,911.33 : x
  2. Step 2: Convert to fraction form
    941,620.47/1,299,420.95 = 511,911.33/x
  3. Step 3: Cross multiply
    941,620.47x = 1,299,420.95 × 511,911.33
  4. Step 4: Simplify right side
    941,620.47x = 665,188,304,184.81
  5. Step 5: Solve for x
    x = 665,188,304,184.81/941,620.47
  6. Step 6: Final answer
    x = 706,429.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.