Home / 620,519.02-929,917.40-282,734.17

Finding the Fourth Proportional to 620,519.02, 929,917.40 and 282,734.17

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Solution

The fourth proportional to 620,519.02, 929,917.40 and 282,734.17 is: 423,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,519.02 : 929,917.40 = 282,734.17 : x
  2. Step 2: Convert to fraction form
    620,519.02/929,917.40 = 282,734.17/x
  3. Step 3: Cross multiply
    620,519.02x = 929,917.40 × 282,734.17
  4. Step 4: Simplify right side
    620,519.02x = 262,919,420,519.09
  5. Step 5: Solve for x
    x = 262,919,420,519.09/620,519.02
  6. Step 6: Final answer
    x = 423,708.88

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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.