Finding the Fourth Proportional to 862,780.67, 1,190,627.63 and 470,305.02
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Solution
The fourth proportional to 862,780.67, 1,190,627.63 and 470,305.02 is: 649,015.65
Step by Step Solution
- Step 1: Write the proportion equation
862,780.67 : 1,190,627.63 = 470,305.02 : x - Step 2: Convert to fraction form
862,780.67/1,190,627.63 = 470,305.02/x - Step 3: Cross multiply
862,780.67x = 1,190,627.63 × 470,305.02 - Step 4: Simplify right side
862,780.67x = 559,958,154,316.27 - Step 5: Solve for x
x = 559,958,154,316.27/862,780.67 - Step 6: Final answer
x = 649,015.65
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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.