Home / 717,238.62-1,075,050.55-312,771.19

Finding the Fourth Proportional to 717,238.62, 1,075,050.55 and 312,771.19

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Solution

The fourth proportional to 717,238.62, 1,075,050.55 and 312,771.19 is: 468,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,238.62 : 1,075,050.55 = 312,771.19 : x
  2. Step 2: Convert to fraction form
    717,238.62/1,075,050.55 = 312,771.19/x
  3. Step 3: Cross multiply
    717,238.62x = 1,075,050.55 × 312,771.19
  4. Step 4: Simplify right side
    717,238.62x = 336,244,839,833.66
  5. Step 5: Solve for x
    x = 336,244,839,833.66/717,238.62
  6. Step 6: Final answer
    x = 468,804.71

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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.