Home / 872,428.62-1,308,640.94-273,435.42

Finding the Fourth Proportional to 872,428.62, 1,308,640.94 and 273,435.42

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Solution

The fourth proportional to 872,428.62, 1,308,640.94 and 273,435.42 is: 410,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,428.62 : 1,308,640.94 = 273,435.42 : x
  2. Step 2: Convert to fraction form
    872,428.62/1,308,640.94 = 273,435.42/x
  3. Step 3: Cross multiply
    872,428.62x = 1,308,640.94 × 273,435.42
  4. Step 4: Simplify right side
    872,428.62x = 357,828,785,058.10
  5. Step 5: Solve for x
    x = 357,828,785,058.10/872,428.62
  6. Step 6: Final answer
    x = 410,152.51

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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.