Finding the Fourth Proportional to 1,008,511.30, 1,513,654.36 and 529,081.68
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Solution
The fourth proportional to 1,008,511.30, 1,513,654.36 and 529,081.68 is: 794,088.07
Step by Step Solution
- Step 1: Write the proportion equation
1,008,511.30 : 1,513,654.36 = 529,081.68 : x - Step 2: Convert to fraction form
1,008,511.30/1,513,654.36 = 529,081.68/x - Step 3: Cross multiply
1,008,511.30x = 1,513,654.36 × 529,081.68 - Step 4: Simplify right side
1,008,511.30x = 800,846,791,728.13 - Step 5: Solve for x
x = 800,846,791,728.13/1,008,511.30 - Step 6: Final answer
x = 794,088.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.