Home / 648,215.37-972,426.74-274,241.61

Finding the Fourth Proportional to 648,215.37, 972,426.74 and 274,241.61

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Solution

The fourth proportional to 648,215.37, 972,426.74 and 274,241.61 is: 411,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,215.37 : 972,426.74 = 274,241.61 : x
  2. Step 2: Convert to fraction form
    648,215.37/972,426.74 = 274,241.61/x
  3. Step 3: Cross multiply
    648,215.37x = 972,426.74 × 274,241.61
  4. Step 4: Simplify right side
    648,215.37x = 266,679,873,413.44
  5. Step 5: Solve for x
    x = 266,679,873,413.44/648,215.37
  6. Step 6: Final answer
    x = 411,406.28

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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.