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Finding the Fourth Proportional to 713,907.65, 1,070,896.98 and 234,183.80

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Solution

The fourth proportional to 713,907.65, 1,070,896.98 and 234,183.80 is: 351,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,907.65 : 1,070,896.98 = 234,183.80 : x
  2. Step 2: Convert to fraction form
    713,907.65/1,070,896.98 = 234,183.80/x
  3. Step 3: Cross multiply
    713,907.65x = 1,070,896.98 × 234,183.80
  4. Step 4: Simplify right side
    713,907.65x = 250,786,724,184.92
  5. Step 5: Solve for x
    x = 250,786,724,184.92/713,907.65
  6. Step 6: Final answer
    x = 351,287.35

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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.