Finding the Fourth Proportional to 851,197.44, 1,174,639.62 and 469,215.96
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Solution
The fourth proportional to 851,197.44, 1,174,639.62 and 469,215.96 is: 647,510.94
Step by Step Solution
- Step 1: Write the proportion equation
851,197.44 : 1,174,639.62 = 469,215.96 : x - Step 2: Convert to fraction form
851,197.44/1,174,639.62 = 469,215.96/x - Step 3: Cross multiply
851,197.44x = 1,174,639.62 × 469,215.96 - Step 4: Simplify right side
851,197.44x = 551,159,656,952.34 - Step 5: Solve for x
x = 551,159,656,952.34/851,197.44 - Step 6: Final answer
x = 647,510.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.