Finding the Fourth Proportional to 951,672.18, 1,313,344.44 and 521,970.42
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Solution
The fourth proportional to 951,672.18, 1,313,344.44 and 521,970.42 is: 720,339.38
Step by Step Solution
- Step 1: Write the proportion equation
951,672.18 : 1,313,344.44 = 521,970.42 : x - Step 2: Convert to fraction form
951,672.18/1,313,344.44 = 521,970.42/x - Step 3: Cross multiply
951,672.18x = 1,313,344.44 × 521,970.42 - Step 4: Simplify right side
951,672.18x = 685,526,948,951.47 - Step 5: Solve for x
x = 685,526,948,951.47/951,672.18 - Step 6: Final answer
x = 720,339.38
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1.5x scale
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.