Home / 752,818.96-1,129,272.32-213,030.04

Finding the Fourth Proportional to 752,818.96, 1,129,272.32 and 213,030.04

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Solution

The fourth proportional to 752,818.96, 1,129,272.32 and 213,030.04 is: 319,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,818.96 : 1,129,272.32 = 213,030.04 : x
  2. Step 2: Convert to fraction form
    752,818.96/1,129,272.32 = 213,030.04/x
  3. Step 3: Cross multiply
    752,818.96x = 1,129,272.32 × 213,030.04
  4. Step 4: Simplify right side
    752,818.96x = 240,568,927,500.49
  5. Step 5: Solve for x
    x = 240,568,927,500.49/752,818.96
  6. Step 6: Final answer
    x = 319,557.48

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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.