Home / 572,020.20-789,192.36-326,829.03

Finding the Fourth Proportional to 572,020.20, 789,192.36 and 326,829.03

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Solution

The fourth proportional to 572,020.20, 789,192.36 and 326,829.03 is: 450,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,020.20 : 789,192.36 = 326,829.03 : x
  2. Step 2: Convert to fraction form
    572,020.20/789,192.36 = 326,829.03/x
  3. Step 3: Cross multiply
    572,020.20x = 789,192.36 × 326,829.03
  4. Step 4: Simplify right side
    572,020.20x = 257,930,973,502.21
  5. Step 5: Solve for x
    x = 257,930,973,502.21/572,020.20
  6. Step 6: Final answer
    x = 450,912.35

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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.