Finding the Fourth Proportional to 851,129.87, 1,174,558.93 and 469,163.03
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Solution
The fourth proportional to 851,129.87, 1,174,558.93 and 469,163.03 is: 647,444.82
Step by Step Solution
- Step 1: Write the proportion equation
851,129.87 : 1,174,558.93 = 469,163.03 : x - Step 2: Convert to fraction form
851,129.87/1,174,558.93 = 469,163.03/x - Step 3: Cross multiply
851,129.87x = 1,174,558.93 × 469,163.03 - Step 4: Simplify right side
851,129.87x = 551,059,619,466.66 - Step 5: Solve for x
x = 551,059,619,466.66/851,129.87 - Step 6: Final answer
x = 647,444.82
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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.