Finding the Fourth Proportional to 986,705.19, 1,361,653.26 and 533,996.19
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Solution
The fourth proportional to 986,705.19, 1,361,653.26 and 533,996.19 is: 736,914.80
Step by Step Solution
- Step 1: Write the proportion equation
986,705.19 : 1,361,653.26 = 533,996.19 : x - Step 2: Convert to fraction form
986,705.19/1,361,653.26 = 533,996.19/x - Step 3: Cross multiply
986,705.19x = 1,361,653.26 × 533,996.19 - Step 4: Simplify right side
986,705.19x = 727,117,652,941.08 - Step 5: Solve for x
x = 727,117,652,941.08/986,705.19 - Step 6: Final answer
x = 736,914.80
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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.