Home / 579,968.40-868,570.20-579,968.40

Finding the Fourth Proportional to 579,968.40, 868,570.20 and 579,968.40

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Solution

The fourth proportional to 579,968.40, 868,570.20 and 579,968.40 is: 868,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,968.40 : 868,570.20 = 579,968.40 : x
  2. Step 2: Convert to fraction form
    579,968.40/868,570.20 = 579,968.40/x
  3. Step 3: Cross multiply
    579,968.40x = 868,570.20 × 579,968.40
  4. Step 4: Simplify right side
    579,968.40x = 503,743,269,181.68
  5. Step 5: Solve for x
    x = 503,743,269,181.68/579,968.40
  6. Step 6: Final answer
    x = 868,570.20

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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.