Home / 807,813.56-1,211,347.86-238,991.26

Finding the Fourth Proportional to 807,813.56, 1,211,347.86 and 238,991.26

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Solution

The fourth proportional to 807,813.56, 1,211,347.86 and 238,991.26 is: 358,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,813.56 : 1,211,347.86 = 238,991.26 : x
  2. Step 2: Convert to fraction form
    807,813.56/1,211,347.86 = 238,991.26/x
  3. Step 3: Cross multiply
    807,813.56x = 1,211,347.86 × 238,991.26
  4. Step 4: Simplify right side
    807,813.56x = 289,501,551,050.72
  5. Step 5: Solve for x
    x = 289,501,551,050.72/807,813.56
  6. Step 6: Final answer
    x = 358,376.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.