Finding the Fourth Proportional to 805,352.73, 1,208,090.93 and 265,398.99
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Solution
The fourth proportional to 805,352.73, 1,208,090.93 and 265,398.99 is: 398,118.86
Step by Step Solution
- Step 1: Write the proportion equation
805,352.73 : 1,208,090.93 = 265,398.99 : x - Step 2: Convert to fraction form
805,352.73/1,208,090.93 = 265,398.99/x - Step 3: Cross multiply
805,352.73x = 1,208,090.93 × 265,398.99 - Step 4: Simplify right side
805,352.73x = 320,626,111,323.17 - Step 5: Solve for x
x = 320,626,111,323.17/805,352.73 - Step 6: Final answer
x = 398,118.86
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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.