Home / 505,028.04-697,005.18-351,967.20

Finding the Fourth Proportional to 505,028.04, 697,005.18 and 351,967.20

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Solution

The fourth proportional to 505,028.04, 697,005.18 and 351,967.20 is: 485,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,028.04 : 697,005.18 = 351,967.20 : x
  2. Step 2: Convert to fraction form
    505,028.04/697,005.18 = 351,967.20/x
  3. Step 3: Cross multiply
    505,028.04x = 697,005.18 × 351,967.20
  4. Step 4: Simplify right side
    505,028.04x = 245,322,961,590.10
  5. Step 5: Solve for x
    x = 245,322,961,590.10/505,028.04
  6. Step 6: Final answer
    x = 485,761.07

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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.