Finding the Fourth Proportional to 873,821.82, 1,205,585.73 and 712,399.35
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Solution
The fourth proportional to 873,821.82, 1,205,585.73 and 712,399.35 is: 982,875.99
Step by Step Solution
- Step 1: Write the proportion equation
873,821.82 : 1,205,585.73 = 712,399.35 : x - Step 2: Convert to fraction form
873,821.82/1,205,585.73 = 712,399.35/x - Step 3: Cross multiply
873,821.82x = 1,205,585.73 × 712,399.35 - Step 4: Simplify right side
873,821.82x = 858,858,490,421.28 - Step 5: Solve for x
x = 858,858,490,421.28/873,821.82 - Step 6: Final answer
x = 982,875.99
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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.