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Finding the Fourth Proportional to 457,227.09, 630,983.52 and 260,989.56

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Solution

The fourth proportional to 457,227.09, 630,983.52 and 260,989.56 is: 360,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,227.09 : 630,983.52 = 260,989.56 : x
  2. Step 2: Convert to fraction form
    457,227.09/630,983.52 = 260,989.56/x
  3. Step 3: Cross multiply
    457,227.09x = 630,983.52 × 260,989.56
  4. Step 4: Simplify right side
    457,227.09x = 164,680,111,252.05
  5. Step 5: Solve for x
    x = 164,680,111,252.05/457,227.09
  6. Step 6: Final answer
    x = 360,171.38

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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.