Home / 693,192.12-1,039,631-313,862.43

Finding the Fourth Proportional to 693,192.12, 1,039,631 and 313,862.43

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Solution

The fourth proportional to 693,192.12, 1,039,631 and 313,862.43 is: 470,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,192.12 : 1,039,631 = 313,862.43 : x
  2. Step 2: Convert to fraction form
    693,192.12/1,039,631 = 313,862.43/x
  3. Step 3: Cross multiply
    693,192.12x = 1,039,631 × 313,862.43
  4. Step 4: Simplify right side
    693,192.12x = 326,301,111,963.33
  5. Step 5: Solve for x
    x = 326,301,111,963.33/693,192.12
  6. Step 6: Final answer
    x = 470,722.48

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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.