Finding the Fourth Proportional to 853,083.25, 1,176,714.21 and 648,686.08
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Solution
The fourth proportional to 853,083.25, 1,176,714.21 and 648,686.08 is: 894,775.66
Step by Step Solution
- Step 1: Write the proportion equation
853,083.25 : 1,176,714.21 = 648,686.08 : x - Step 2: Convert to fraction form
853,083.25/1,176,714.21 = 648,686.08/x - Step 3: Cross multiply
853,083.25x = 1,176,714.21 × 648,686.08 - Step 4: Simplify right side
853,083.25x = 763,318,125,223.41 - Step 5: Solve for x
x = 763,318,125,223.41/853,083.25 - Step 6: Final answer
x = 894,775.66
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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.