Finding the Fourth Proportional to 523,964.16, 723,072.96 and 297,622.08
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Solution
The fourth proportional to 523,964.16, 723,072.96 and 297,622.08 is: 410,719.84
Step by Step Solution
- Step 1: Write the proportion equation
523,964.16 : 723,072.96 = 297,622.08 : x - Step 2: Convert to fraction form
523,964.16/723,072.96 = 297,622.08/x - Step 3: Cross multiply
523,964.16x = 723,072.96 × 297,622.08 - Step 4: Simplify right side
523,964.16x = 215,202,478,346.96 - Step 5: Solve for x
x = 215,202,478,346.96/523,964.16 - Step 6: Final answer
x = 410,719.84
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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.