Home / 609,214.03-912,982.69-518,788.87

Finding the Fourth Proportional to 609,214.03, 912,982.69 and 518,788.87

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Solution

The fourth proportional to 609,214.03, 912,982.69 and 518,788.87 is: 777,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,214.03 : 912,982.69 = 518,788.87 : x
  2. Step 2: Convert to fraction form
    609,214.03/912,982.69 = 518,788.87/x
  3. Step 3: Cross multiply
    609,214.03x = 912,982.69 × 518,788.87
  4. Step 4: Simplify right side
    609,214.03x = 473,645,258,074.66
  5. Step 5: Solve for x
    x = 473,645,258,074.66/609,214.03
  6. Step 6: Final answer
    x = 777,469.39

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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.