Finding the Fourth Proportional to 823,471.34, 1,135,488.04 and 536,459.18
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Solution
The fourth proportional to 823,471.34, 1,135,488.04 and 536,459.18 is: 739,725.78
Step by Step Solution
- Step 1: Write the proportion equation
823,471.34 : 1,135,488.04 = 536,459.18 : x - Step 2: Convert to fraction form
823,471.34/1,135,488.04 = 536,459.18/x - Step 3: Cross multiply
823,471.34x = 1,135,488.04 × 536,459.18 - Step 4: Simplify right side
823,471.34x = 609,142,975,819.62 - Step 5: Solve for x
x = 609,142,975,819.62/823,471.34 - Step 6: Final answer
x = 739,725.78
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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.