Home / 993,308.08-1,489,699.68-283,376.56

Finding the Fourth Proportional to 993,308.08, 1,489,699.68 and 283,376.56

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Solution

The fourth proportional to 993,308.08, 1,489,699.68 and 283,376.56 is: 424,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,308.08 : 1,489,699.68 = 283,376.56 : x
  2. Step 2: Convert to fraction form
    993,308.08/1,489,699.68 = 283,376.56/x
  3. Step 3: Cross multiply
    993,308.08x = 1,489,699.68 × 283,376.56
  4. Step 4: Simplify right side
    993,308.08x = 422,145,970,751.50
  5. Step 5: Solve for x
    x = 422,145,970,751.50/993,308.08
  6. Step 6: Final answer
    x = 424,989.97

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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.