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Finding the Fourth Proportional to 488,023.99, 673,511.56 and 359,549.89

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Solution

The fourth proportional to 488,023.99, 673,511.56 and 359,549.89 is: 496,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,023.99 : 673,511.56 = 359,549.89 : x
  2. Step 2: Convert to fraction form
    488,023.99/673,511.56 = 359,549.89/x
  3. Step 3: Cross multiply
    488,023.99x = 673,511.56 × 359,549.89
  4. Step 4: Simplify right side
    488,023.99x = 242,161,004,729.08
  5. Step 5: Solve for x
    x = 242,161,004,729.08/488,023.99
  6. Step 6: Final answer
    x = 496,207.18

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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.