Finding the Fourth Proportional to 532,116.68, 734,336.46 and 290,414.76
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Solution
The fourth proportional to 532,116.68, 734,336.46 and 290,414.76 is: 400,780.80
Step by Step Solution
- Step 1: Write the proportion equation
532,116.68 : 734,336.46 = 290,414.76 : x - Step 2: Convert to fraction form
532,116.68/734,336.46 = 290,414.76/x - Step 3: Cross multiply
532,116.68x = 734,336.46 × 290,414.76 - Step 4: Simplify right side
532,116.68x = 213,262,146,790.15 - Step 5: Solve for x
x = 213,262,146,790.15/532,116.68 - Step 6: Final answer
x = 400,780.80
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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.