Home / 505,175.14-697,141.70-344,311.21

Finding the Fourth Proportional to 505,175.14, 697,141.70 and 344,311.21

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Solution

The fourth proportional to 505,175.14, 697,141.70 and 344,311.21 is: 475,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,175.14 : 697,141.70 = 344,311.21 : x
  2. Step 2: Convert to fraction form
    505,175.14/697,141.70 = 344,311.21/x
  3. Step 3: Cross multiply
    505,175.14x = 697,141.70 × 344,311.21
  4. Step 4: Simplify right side
    505,175.14x = 240,033,702,268.46
  5. Step 5: Solve for x
    x = 240,033,702,268.46/505,175.14
  6. Step 6: Final answer
    x = 475,149.47

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1.5x scale

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.