Home / 579,074.98-868,475.19-326,467.30

Finding the Fourth Proportional to 579,074.98, 868,475.19 and 326,467.30

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Solution

The fourth proportional to 579,074.98, 868,475.19 and 326,467.30 is: 489,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,074.98 : 868,475.19 = 326,467.30 : x
  2. Step 2: Convert to fraction form
    579,074.98/868,475.19 = 326,467.30/x
  3. Step 3: Cross multiply
    579,074.98x = 868,475.19 × 326,467.30
  4. Step 4: Simplify right side
    579,074.98x = 283,528,750,396.29
  5. Step 5: Solve for x
    x = 283,528,750,396.29/579,074.98
  6. Step 6: Final answer
    x = 489,623.56

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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.