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Finding the Fourth Proportional to 471,389.49, 650,508.21 and 256,533.21

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Solution

The fourth proportional to 471,389.49, 650,508.21 and 256,533.21 is: 354,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,389.49 : 650,508.21 = 256,533.21 : x
  2. Step 2: Convert to fraction form
    471,389.49/650,508.21 = 256,533.21/x
  3. Step 3: Cross multiply
    471,389.49x = 650,508.21 × 256,533.21
  4. Step 4: Simplify right side
    471,389.49x = 166,876,959,242.65
  5. Step 5: Solve for x
    x = 166,876,959,242.65/471,389.49
  6. Step 6: Final answer
    x = 354,010.78

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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.