Finding the Fourth Proportional to 894,304.12, 1,234,138.80 and 512,332.42
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Solution
The fourth proportional to 894,304.12, 1,234,138.80 and 512,332.42 is: 707,018.23
Step by Step Solution
- Step 1: Write the proportion equation
894,304.12 : 1,234,138.80 = 512,332.42 : x - Step 2: Convert to fraction form
894,304.12/1,234,138.80 = 512,332.42/x - Step 3: Cross multiply
894,304.12x = 1,234,138.80 × 512,332.42 - Step 4: Simplify right side
894,304.12x = 632,289,318,019.90 - Step 5: Solve for x
x = 632,289,318,019.90/894,304.12 - Step 6: Final answer
x = 707,018.23
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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.