Home / 501,238.25-691,557.65-307,446.81

Finding the Fourth Proportional to 501,238.25, 691,557.65 and 307,446.81

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Solution

The fourth proportional to 501,238.25, 691,557.65 and 307,446.81 is: 424,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,238.25 : 691,557.65 = 307,446.81 : x
  2. Step 2: Convert to fraction form
    501,238.25/691,557.65 = 307,446.81/x
  3. Step 3: Cross multiply
    501,238.25x = 691,557.65 × 307,446.81
  4. Step 4: Simplify right side
    501,238.25x = 212,617,191,886.36
  5. Step 5: Solve for x
    x = 212,617,191,886.36/501,238.25
  6. Step 6: Final answer
    x = 424,183.90

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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.