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Finding the Fourth Proportional to 530,354.52, 794,804.58 and 280,537.56

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Solution

The fourth proportional to 530,354.52, 794,804.58 and 280,537.56 is: 420,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,354.52 : 794,804.58 = 280,537.56 : x
  2. Step 2: Convert to fraction form
    530,354.52/794,804.58 = 280,537.56/x
  3. Step 3: Cross multiply
    530,354.52x = 794,804.58 × 280,537.56
  4. Step 4: Simplify right side
    530,354.52x = 222,972,537,550.03
  5. Step 5: Solve for x
    x = 222,972,537,550.03/530,354.52
  6. Step 6: Final answer
    x = 420,421.68

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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.