Home / 993,215.33-1,489,836.67-283,243.45

Finding the Fourth Proportional to 993,215.33, 1,489,836.67 and 283,243.45

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Solution

The fourth proportional to 993,215.33, 1,489,836.67 and 283,243.45 is: 424,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,215.33 : 1,489,836.67 = 283,243.45 : x
  2. Step 2: Convert to fraction form
    993,215.33/1,489,836.67 = 283,243.45/x
  3. Step 3: Cross multiply
    993,215.33x = 1,489,836.67 × 283,243.45
  4. Step 4: Simplify right side
    993,215.33x = 421,986,477,504.68
  5. Step 5: Solve for x
    x = 421,986,477,504.68/993,215.33
  6. Step 6: Final answer
    x = 424,869.07

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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.