Home / 929,637.20-1,283,028.03-521,763.32

Finding the Fourth Proportional to 929,637.20, 1,283,028.03 and 521,763.32

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Solution

The fourth proportional to 929,637.20, 1,283,028.03 and 521,763.32 is: 720,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,637.20 : 1,283,028.03 = 521,763.32 : x
  2. Step 2: Convert to fraction form
    929,637.20/1,283,028.03 = 521,763.32/x
  3. Step 3: Cross multiply
    929,637.20x = 1,283,028.03 × 521,763.32
  4. Step 4: Simplify right side
    929,637.20x = 669,436,964,585.86
  5. Step 5: Solve for x
    x = 669,436,964,585.86/929,637.20
  6. Step 6: Final answer
    x = 720,105.61

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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.