Home / 719,681.73-1,079,522.46-214,250.10

Finding the Fourth Proportional to 719,681.73, 1,079,522.46 and 214,250.10

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Solution

The fourth proportional to 719,681.73, 1,079,522.46 and 214,250.10 is: 321,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,681.73 : 1,079,522.46 = 214,250.10 : x
  2. Step 2: Convert to fraction form
    719,681.73/1,079,522.46 = 214,250.10/x
  3. Step 3: Cross multiply
    719,681.73x = 1,079,522.46 × 214,250.10
  4. Step 4: Simplify right side
    719,681.73x = 231,287,795,007.25
  5. Step 5: Solve for x
    x = 231,287,795,007.25/719,681.73
  6. Step 6: Final answer
    x = 321,375.11

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1.5x scale

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.