Finding the Fourth Proportional to 912,888.49, 1,259,361.66 and 590,702.62
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Solution
The fourth proportional to 912,888.49, 1,259,361.66 and 590,702.62 is: 814,894.96
Step by Step Solution
- Step 1: Write the proportion equation
912,888.49 : 1,259,361.66 = 590,702.62 : x - Step 2: Convert to fraction form
912,888.49/1,259,361.66 = 590,702.62/x - Step 3: Cross multiply
912,888.49x = 1,259,361.66 × 590,702.62 - Step 4: Simplify right side
912,888.49x = 743,908,232,089.55 - Step 5: Solve for x
x = 743,908,232,089.55/912,888.49 - Step 6: Final answer
x = 814,894.96
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1.5x scale
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.