Finding the Fourth Proportional to 868,926.18, 1,199,116.26 and 529,394.70
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Solution
The fourth proportional to 868,926.18, 1,199,116.26 and 529,394.70 is: 730,563.55
Step by Step Solution
- Step 1: Write the proportion equation
868,926.18 : 1,199,116.26 = 529,394.70 : x - Step 2: Convert to fraction form
868,926.18/1,199,116.26 = 529,394.70/x - Step 3: Cross multiply
868,926.18x = 1,199,116.26 × 529,394.70 - Step 4: Simplify right side
868,926.18x = 634,805,792,727.82 - Step 5: Solve for x
x = 634,805,792,727.82/868,926.18 - Step 6: Final answer
x = 730,563.55
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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.