Home / 843,396.48-1,164,393.36-521,538.12

Finding the Fourth Proportional to 843,396.48, 1,164,393.36 and 521,538.12

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Solution

The fourth proportional to 843,396.48, 1,164,393.36 and 521,538.12 is: 720,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,396.48 : 1,164,393.36 = 521,538.12 : x
  2. Step 2: Convert to fraction form
    843,396.48/1,164,393.36 = 521,538.12/x
  3. Step 3: Cross multiply
    843,396.48x = 1,164,393.36 × 521,538.12
  4. Step 4: Simplify right side
    843,396.48x = 607,275,523,914.88
  5. Step 5: Solve for x
    x = 607,275,523,914.88/843,396.48
  6. Step 6: Final answer
    x = 720,035.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.