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Finding the Fourth Proportional to 450,446.94, 622,126.98 and 306,957.87

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Solution

The fourth proportional to 450,446.94, 622,126.98 and 306,957.87 is: 423,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,446.94 : 622,126.98 = 306,957.87 : x
  2. Step 2: Convert to fraction form
    450,446.94/622,126.98 = 306,957.87/x
  3. Step 3: Cross multiply
    450,446.94x = 622,126.98 × 306,957.87
  4. Step 4: Simplify right side
    450,446.94x = 190,966,772,650.33
  5. Step 5: Solve for x
    x = 190,966,772,650.33/450,446.94
  6. Step 6: Final answer
    x = 423,949.54

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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.