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Finding the Fourth Proportional to 505,293.47, 697,315.54 and 275,860.42

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Solution

The fourth proportional to 505,293.47, 697,315.54 and 275,860.42 is: 380,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,293.47 : 697,315.54 = 275,860.42 : x
  2. Step 2: Convert to fraction form
    505,293.47/697,315.54 = 275,860.42/x
  3. Step 3: Cross multiply
    505,293.47x = 697,315.54 × 275,860.42
  4. Step 4: Simplify right side
    505,293.47x = 192,361,756,357.63
  5. Step 5: Solve for x
    x = 192,361,756,357.63/505,293.47
  6. Step 6: Final answer
    x = 380,693.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.