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Finding the Fourth Proportional to 603,742.72, 833,160.72 and 331,813.12

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Solution

The fourth proportional to 603,742.72, 833,160.72 and 331,813.12 is: 457,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,742.72 : 833,160.72 = 331,813.12 : x
  2. Step 2: Convert to fraction form
    603,742.72/833,160.72 = 331,813.12/x
  3. Step 3: Cross multiply
    603,742.72x = 833,160.72 × 331,813.12
  4. Step 4: Simplify right side
    603,742.72x = 276,453,657,964.65
  5. Step 5: Solve for x
    x = 276,453,657,964.65/603,742.72
  6. Step 6: Final answer
    x = 457,899.78

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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.