Finding the Fourth Proportional to 847,633.10, 1,169,750.24 and 465,674.36
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Solution
The fourth proportional to 847,633.10, 1,169,750.24 and 465,674.36 is: 642,639.71
Step by Step Solution
- Step 1: Write the proportion equation
847,633.10 : 1,169,750.24 = 465,674.36 : x - Step 2: Convert to fraction form
847,633.10/1,169,750.24 = 465,674.36/x - Step 3: Cross multiply
847,633.10x = 1,169,750.24 × 465,674.36 - Step 4: Simplify right side
847,633.10x = 544,722,686,194.72 - Step 5: Solve for x
x = 544,722,686,194.72/847,633.10 - Step 6: Final answer
x = 642,639.71
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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.