Home / 918,707.67-1,267,792.97-510,788.43

Finding the Fourth Proportional to 918,707.67, 1,267,792.97 and 510,788.43

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Solution

The fourth proportional to 918,707.67, 1,267,792.97 and 510,788.43 is: 704,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,707.67 : 1,267,792.97 = 510,788.43 : x
  2. Step 2: Convert to fraction form
    918,707.67/1,267,792.97 = 510,788.43/x
  3. Step 3: Cross multiply
    918,707.67x = 1,267,792.97 × 510,788.43
  4. Step 4: Simplify right side
    918,707.67x = 647,573,978,157.40
  5. Step 5: Solve for x
    x = 647,573,978,157.40/918,707.67
  6. Step 6: Final answer
    x = 704,874.90

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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.