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Finding the Fourth Proportional to 471,480.66, 650,623.41 and 256,621.14

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Solution

The fourth proportional to 471,480.66, 650,623.41 and 256,621.14 is: 354,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,480.66 : 650,623.41 = 256,621.14 : x
  2. Step 2: Convert to fraction form
    471,480.66/650,623.41 = 256,621.14/x
  3. Step 3: Cross multiply
    471,480.66x = 650,623.41 × 256,621.14
  4. Step 4: Simplify right side
    471,480.66x = 166,963,721,184.89
  5. Step 5: Solve for x
    x = 166,963,721,184.89/471,480.66
  6. Step 6: Final answer
    x = 354,126.34

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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.