Home / 872,431.36-1,308,645.06-273,438.16

Finding the Fourth Proportional to 872,431.36, 1,308,645.06 and 273,438.16

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Solution

The fourth proportional to 872,431.36, 1,308,645.06 and 273,438.16 is: 410,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,431.36 : 1,308,645.06 = 273,438.16 : x
  2. Step 2: Convert to fraction form
    872,431.36/1,308,645.06 = 273,438.16/x
  3. Step 3: Cross multiply
    872,431.36x = 1,308,645.06 × 273,438.16
  4. Step 4: Simplify right side
    872,431.36x = 357,833,497,299.49
  5. Step 5: Solve for x
    x = 357,833,497,299.49/872,431.36
  6. Step 6: Final answer
    x = 410,156.62

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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.