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Finding the Fourth Proportional to 733,847.71, 1,012,820.53 and 447,533.87

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Solution

The fourth proportional to 733,847.71, 1,012,820.53 and 447,533.87 is: 617,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,847.71 : 1,012,820.53 = 447,533.87 : x
  2. Step 2: Convert to fraction form
    733,847.71/1,012,820.53 = 447,533.87/x
  3. Step 3: Cross multiply
    733,847.71x = 1,012,820.53 × 447,533.87
  4. Step 4: Simplify right side
    733,847.71x = 453,271,491,406.35
  5. Step 5: Solve for x
    x = 453,271,491,406.35/733,847.71
  6. Step 6: Final answer
    x = 617,664.24

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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.