Finding the Fourth Proportional to 847,286.08, 1,169,278.68 and 465,337.45
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Solution
The fourth proportional to 847,286.08, 1,169,278.68 and 465,337.45 is: 642,178.80
Step by Step Solution
- Step 1: Write the proportion equation
847,286.08 : 1,169,278.68 = 465,337.45 : x - Step 2: Convert to fraction form
847,286.08/1,169,278.68 = 465,337.45/x - Step 3: Cross multiply
847,286.08x = 1,169,278.68 × 465,337.45 - Step 4: Simplify right side
847,286.08x = 544,109,159,290.57 - Step 5: Solve for x
x = 544,109,159,290.57/847,286.08 - Step 6: Final answer
x = 642,178.80
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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.