Home / 739,318.77-1,019,790.14-484,686.36

Finding the Fourth Proportional to 739,318.77, 1,019,790.14 and 484,686.36

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Solution

The fourth proportional to 739,318.77, 1,019,790.14 and 484,686.36 is: 668,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,318.77 : 1,019,790.14 = 484,686.36 : x
  2. Step 2: Convert to fraction form
    739,318.77/1,019,790.14 = 484,686.36/x
  3. Step 3: Cross multiply
    739,318.77x = 1,019,790.14 × 484,686.36
  4. Step 4: Simplify right side
    739,318.77x = 494,278,368,497.06
  5. Step 5: Solve for x
    x = 494,278,368,497.06/739,318.77
  6. Step 6: Final answer
    x = 668,559.20

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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.