Home / 993,269.80-1,489,918.20-283,297.78

Finding the Fourth Proportional to 993,269.80, 1,489,918.20 and 283,297.78

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Solution

The fourth proportional to 993,269.80, 1,489,918.20 and 283,297.78 is: 424,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,269.80 : 1,489,918.20 = 283,297.78 : x
  2. Step 2: Convert to fraction form
    993,269.80/1,489,918.20 = 283,297.78/x
  3. Step 3: Cross multiply
    993,269.80x = 1,489,918.20 × 283,297.78
  4. Step 4: Simplify right side
    993,269.80x = 422,090,518,441.60
  5. Step 5: Solve for x
    x = 422,090,518,441.60/993,269.80
  6. Step 6: Final answer
    x = 424,950.52

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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.