Home / 752,807.30-1,129,254.73-213,018.33

Finding the Fourth Proportional to 752,807.30, 1,129,254.73 and 213,018.33

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Solution

The fourth proportional to 752,807.30, 1,129,254.73 and 213,018.33 is: 319,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,807.30 : 1,129,254.73 = 213,018.33 : x
  2. Step 2: Convert to fraction form
    752,807.30/1,129,254.73 = 213,018.33/x
  3. Step 3: Cross multiply
    752,807.30x = 1,129,254.73 × 213,018.33
  4. Step 4: Simplify right side
    752,807.30x = 240,551,956,196.66
  5. Step 5: Solve for x
    x = 240,551,956,196.66/752,807.30
  6. Step 6: Final answer
    x = 319,539.88

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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.