Finding the Fourth Proportional to 823,472.34, 1,135,489.42 and 536,460.18
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Solution
The fourth proportional to 823,472.34, 1,135,489.42 and 536,460.18 is: 739,727.16
Step by Step Solution
- Step 1: Write the proportion equation
823,472.34 : 1,135,489.42 = 536,460.18 : x - Step 2: Convert to fraction form
823,472.34/1,135,489.42 = 536,460.18/x - Step 3: Cross multiply
823,472.34x = 1,135,489.42 × 536,460.18 - Step 4: Simplify right side
823,472.34x = 609,144,858,641.30 - Step 5: Solve for x
x = 609,144,858,641.30/823,472.34 - Step 6: Final answer
x = 739,727.16
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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.