Finding the Fourth Proportional to 862,602.28, 1,190,375.30 and 480,620.84
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Solution
The fourth proportional to 862,602.28, 1,190,375.30 and 480,620.84 is: 663,247.93
Step by Step Solution
- Step 1: Write the proportion equation
862,602.28 : 1,190,375.30 = 480,620.84 : x - Step 2: Convert to fraction form
862,602.28/1,190,375.30 = 480,620.84/x - Step 3: Cross multiply
862,602.28x = 1,190,375.30 × 480,620.84 - Step 4: Simplify right side
862,602.28x = 572,119,176,601.25 - Step 5: Solve for x
x = 572,119,176,601.25/862,602.28 - Step 6: Final answer
x = 663,247.93
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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.