Home / 984,613.10-1,476,788.40-274,581.68

Finding the Fourth Proportional to 984,613.10, 1,476,788.40 and 274,581.68

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Solution

The fourth proportional to 984,613.10, 1,476,788.40 and 274,581.68 is: 411,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,613.10 : 1,476,788.40 = 274,581.68 : x
  2. Step 2: Convert to fraction form
    984,613.10/1,476,788.40 = 274,581.68/x
  3. Step 3: Cross multiply
    984,613.10x = 1,476,788.40 × 274,581.68
  4. Step 4: Simplify right side
    984,613.10x = 405,499,032,492.57
  5. Step 5: Solve for x
    x = 405,499,032,492.57/984,613.10
  6. Step 6: Final answer
    x = 411,835.91

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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.