Home / 648,216.37-972,428.24-274,242.61

Finding the Fourth Proportional to 648,216.37, 972,428.24 and 274,242.61

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Solution

The fourth proportional to 648,216.37, 972,428.24 and 274,242.61 is: 411,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,216.37 : 972,428.24 = 274,242.61 : x
  2. Step 2: Convert to fraction form
    648,216.37/972,428.24 = 274,242.61/x
  3. Step 3: Cross multiply
    648,216.37x = 972,428.24 × 274,242.61
  4. Step 4: Simplify right side
    648,216.37x = 266,681,258,575.31
  5. Step 5: Solve for x
    x = 266,681,258,575.31/648,216.37
  6. Step 6: Final answer
    x = 411,407.78

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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.