Finding the Fourth Proportional to 692,439.63, 1,038,794.10 and 265,944.25
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Solution
The fourth proportional to 692,439.63, 1,038,794.10 and 265,944.25 is: 398,968.09
Step by Step Solution
- Step 1: Write the proportion equation
692,439.63 : 1,038,794.10 = 265,944.25 : x - Step 2: Convert to fraction form
692,439.63/1,038,794.10 = 265,944.25/x - Step 3: Cross multiply
692,439.63x = 1,038,794.10 × 265,944.25 - Step 4: Simplify right side
692,439.63x = 276,261,317,828.93 - Step 5: Solve for x
x = 276,261,317,828.93/692,439.63 - Step 6: Final answer
x = 398,968.09
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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.