Finding the Fourth Proportional to 823,462.96, 1,135,476.48 and 536,450.80
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Solution
The fourth proportional to 823,462.96, 1,135,476.48 and 536,450.80 is: 739,714.23
Step by Step Solution
- Step 1: Write the proportion equation
823,462.96 : 1,135,476.48 = 536,450.80 : x - Step 2: Convert to fraction form
823,462.96/1,135,476.48 = 536,450.80/x - Step 3: Cross multiply
823,462.96x = 1,135,476.48 × 536,450.80 - Step 4: Simplify right side
823,462.96x = 609,127,266,077.18 - Step 5: Solve for x
x = 609,127,266,077.18/823,462.96 - Step 6: Final answer
x = 739,714.23
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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.