Home / 717,087.06-1,075,639.23-218,455.38

Finding the Fourth Proportional to 717,087.06, 1,075,639.23 and 218,455.38

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Solution

The fourth proportional to 717,087.06, 1,075,639.23 and 218,455.38 is: 327,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,087.06 : 1,075,639.23 = 218,455.38 : x
  2. Step 2: Convert to fraction form
    717,087.06/1,075,639.23 = 218,455.38/x
  3. Step 3: Cross multiply
    717,087.06x = 1,075,639.23 × 218,455.38
  4. Step 4: Simplify right side
    717,087.06x = 234,979,176,732.56
  5. Step 5: Solve for x
    x = 234,979,176,732.56/717,087.06
  6. Step 6: Final answer
    x = 327,685.70

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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.