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Finding the Fourth Proportional to 448,895.42, 673,343.90 and 359,506.66

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Solution

The fourth proportional to 448,895.42, 673,343.90 and 359,506.66 is: 539,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,895.42 : 673,343.90 = 359,506.66 : x
  2. Step 2: Convert to fraction form
    448,895.42/673,343.90 = 359,506.66/x
  3. Step 3: Cross multiply
    448,895.42x = 673,343.90 × 359,506.66
  4. Step 4: Simplify right side
    448,895.42x = 242,071,617,622.15
  5. Step 5: Solve for x
    x = 242,071,617,622.15/448,895.42
  6. Step 6: Final answer
    x = 539,260.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.