Finding the Fourth Proportional to 802,319.40, 1,107,055.62 and 515,773.80
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Solution
The fourth proportional to 802,319.40, 1,107,055.62 and 515,773.80 is: 711,674.53
Step by Step Solution
- Step 1: Write the proportion equation
802,319.40 : 1,107,055.62 = 515,773.80 : x - Step 2: Convert to fraction form
802,319.40/1,107,055.62 = 515,773.80/x - Step 3: Cross multiply
802,319.40x = 1,107,055.62 × 515,773.80 - Step 4: Simplify right side
802,319.40x = 570,990,283,938.76 - Step 5: Solve for x
x = 570,990,283,938.76/802,319.40 - Step 6: Final answer
x = 711,674.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.