Finding the Fourth Proportional to 919,570.07, 1,378,460.51 and 439,673.15
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Solution
The fourth proportional to 919,570.07, 1,378,460.51 and 439,673.15 is: 659,081.99
Step by Step Solution
- Step 1: Write the proportion equation
919,570.07 : 1,378,460.51 = 439,673.15 : x - Step 2: Convert to fraction form
919,570.07/1,378,460.51 = 439,673.15/x - Step 3: Cross multiply
919,570.07x = 1,378,460.51 × 439,673.15 - Step 4: Simplify right side
919,570.07x = 606,072,072,383.94 - Step 5: Solve for x
x = 606,072,072,383.94/919,570.07 - Step 6: Final answer
x = 659,081.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.