Finding the Fourth Proportional to 397,553.40, 596,330.10 and 354,007.80
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Solution
The fourth proportional to 397,553.40, 596,330.10 and 354,007.80 is: 531,011.70
Step by Step Solution
- Step 1: Write the proportion equation
397,553.40 : 596,330.10 = 354,007.80 : x - Step 2: Convert to fraction form
397,553.40/596,330.10 = 354,007.80/x - Step 3: Cross multiply
397,553.40x = 596,330.10 × 354,007.80 - Step 4: Simplify right side
397,553.40x = 211,105,506,774.78 - Step 5: Solve for x
x = 211,105,506,774.78/397,553.40 - Step 6: Final answer
x = 531,011.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.