Finding the Fourth Proportional to 914,014.08, 1,261,323.99 and 506,107.08
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Solution
The fourth proportional to 914,014.08, 1,261,323.99 and 506,107.08 is: 698,419.22
Step by Step Solution
- Step 1: Write the proportion equation
914,014.08 : 1,261,323.99 = 506,107.08 : x - Step 2: Convert to fraction form
914,014.08/1,261,323.99 = 506,107.08/x - Step 3: Cross multiply
914,014.08x = 1,261,323.99 × 506,107.08 - Step 4: Simplify right side
914,014.08x = 638,365,001,512.85 - Step 5: Solve for x
x = 638,365,001,512.85/914,014.08 - Step 6: Final answer
x = 698,419.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.