Finding the Fourth Proportional to 913,405.26, 1,370,239.08 and 282,368.28
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Solution
The fourth proportional to 913,405.26, 1,370,239.08 and 282,368.28 is: 423,592.98
Step by Step Solution
- Step 1: Write the proportion equation
913,405.26 : 1,370,239.08 = 282,368.28 : x - Step 2: Convert to fraction form
913,405.26/1,370,239.08 = 282,368.28/x - Step 3: Cross multiply
913,405.26x = 1,370,239.08 × 282,368.28 - Step 4: Simplify right side
913,405.26x = 386,912,052,208.38 - Step 5: Solve for x
x = 386,912,052,208.38/913,405.26 - Step 6: Final answer
x = 423,592.98
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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.