Finding the Fourth Proportional to 823,473.09, 1,135,490.45 and 536,460.93
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Solution
The fourth proportional to 823,473.09, 1,135,490.45 and 536,460.93 is: 739,728.20
Step by Step Solution
- Step 1: Write the proportion equation
823,473.09 : 1,135,490.45 = 536,460.93 : x - Step 2: Convert to fraction form
823,473.09/1,135,490.45 = 536,460.93/x - Step 3: Cross multiply
823,473.09x = 1,135,490.45 × 536,460.93 - Step 4: Simplify right side
823,473.09x = 609,146,262,813.12 - Step 5: Solve for x
x = 609,146,262,813.12/823,473.09 - Step 6: Final answer
x = 739,728.20
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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.