Finding the Fourth Proportional to 841,977.05, 1,262,965.58 and 777,023.15
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Solution
The fourth proportional to 841,977.05, 1,262,965.58 and 777,023.15 is: 1,165,534.73
Step by Step Solution
- Step 1: Write the proportion equation
841,977.05 : 1,262,965.58 = 777,023.15 : x - Step 2: Convert to fraction form
841,977.05/1,262,965.58 = 777,023.15/x - Step 3: Cross multiply
841,977.05x = 1,262,965.58 × 777,023.15 - Step 4: Simplify right side
841,977.05x = 981,353,489,428.06 - Step 5: Solve for x
x = 981,353,489,428.06/841,977.05 - Step 6: Final answer
x = 1,165,534.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.