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Finding the Fourth Proportional to 445,417.92, 614,329.92 and 275,745.60

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Solution

The fourth proportional to 445,417.92, 614,329.92 and 275,745.60 is: 380,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,417.92 : 614,329.92 = 275,745.60 : x
  2. Step 2: Convert to fraction form
    445,417.92/614,329.92 = 275,745.60/x
  3. Step 3: Cross multiply
    445,417.92x = 614,329.92 × 275,745.60
  4. Step 4: Simplify right side
    445,417.92x = 169,398,772,388.35
  5. Step 5: Solve for x
    x = 169,398,772,388.35/445,417.92
  6. Step 6: Final answer
    x = 380,314.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.