Finding the Fourth Proportional to 1,097,449.70, 1,514,539.42 and 613,985.94
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Solution
The fourth proportional to 1,097,449.70, 1,514,539.42 and 613,985.94 is: 847,333.52
Step by Step Solution
- Step 1: Write the proportion equation
1,097,449.70 : 1,514,539.42 = 613,985.94 : x - Step 2: Convert to fraction form
1,097,449.70/1,514,539.42 = 613,985.94/x - Step 3: Cross multiply
1,097,449.70x = 1,514,539.42 × 613,985.94 - Step 4: Simplify right side
1,097,449.70x = 929,905,907,920.79 - Step 5: Solve for x
x = 929,905,907,920.79/1,097,449.70 - Step 6: Final answer
x = 847,333.52
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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.