Home / 505,896.28-697,815.84-384,772.02

Finding the Fourth Proportional to 505,896.28, 697,815.84 and 384,772.02

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Solution

The fourth proportional to 505,896.28, 697,815.84 and 384,772.02 is: 530,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,896.28 : 697,815.84 = 384,772.02 : x
  2. Step 2: Convert to fraction form
    505,896.28/697,815.84 = 384,772.02/x
  3. Step 3: Cross multiply
    505,896.28x = 697,815.84 × 384,772.02
  4. Step 4: Simplify right side
    505,896.28x = 268,500,010,344.80
  5. Step 5: Solve for x
    x = 268,500,010,344.80/505,896.28
  6. Step 6: Final answer
    x = 530,741.22

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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.