Finding the Fourth Proportional to 868,788.84, 1,198,929.06 and 529,257.09
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Solution
The fourth proportional to 868,788.84, 1,198,929.06 and 529,257.09 is: 730,375.06
Step by Step Solution
- Step 1: Write the proportion equation
868,788.84 : 1,198,929.06 = 529,257.09 : x - Step 2: Convert to fraction form
868,788.84/1,198,929.06 = 529,257.09/x - Step 3: Cross multiply
868,788.84x = 1,198,929.06 × 529,257.09 - Step 4: Simplify right side
868,788.84x = 634,541,705,412.04 - Step 5: Solve for x
x = 634,541,705,412.04/868,788.84 - Step 6: Final answer
x = 730,375.06
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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.