Finding the Fourth Proportional to 936,406.44, 1,292,236.74 and 506,694.18
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Solution
The fourth proportional to 936,406.44, 1,292,236.74 and 506,694.18 is: 699,235.72
Step by Step Solution
- Step 1: Write the proportion equation
936,406.44 : 1,292,236.74 = 506,694.18 : x - Step 2: Convert to fraction form
936,406.44/1,292,236.74 = 506,694.18/x - Step 3: Cross multiply
936,406.44x = 1,292,236.74 × 506,694.18 - Step 4: Simplify right side
936,406.44x = 654,768,835,340.17 - Step 5: Solve for x
x = 654,768,835,340.17/936,406.44 - Step 6: Final answer
x = 699,235.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.