Home / 909,249.94-1,364,268.21-488,033.74

Finding the Fourth Proportional to 909,249.94, 1,364,268.21 and 488,033.74

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Solution

The fourth proportional to 909,249.94, 1,364,268.21 and 488,033.74 is: 732,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,249.94 : 1,364,268.21 = 488,033.74 : x
  2. Step 2: Convert to fraction form
    909,249.94/1,364,268.21 = 488,033.74/x
  3. Step 3: Cross multiply
    909,249.94x = 1,364,268.21 × 488,033.74
  4. Step 4: Simplify right side
    909,249.94x = 665,808,916,889.41
  5. Step 5: Solve for x
    x = 665,808,916,889.41/909,249.94
  6. Step 6: Final answer
    x = 732,261.71

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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.