Finding the Fourth Proportional to 847,219.10, 1,168,174.58 and 631,985.49
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Solution
The fourth proportional to 847,219.10, 1,168,174.58 and 631,985.49 is: 871,403.15
Step by Step Solution
- Step 1: Write the proportion equation
847,219.10 : 1,168,174.58 = 631,985.49 : x - Step 2: Convert to fraction form
847,219.10/1,168,174.58 = 631,985.49/x - Step 3: Cross multiply
847,219.10x = 1,168,174.58 × 631,985.49 - Step 4: Simplify right side
847,219.10x = 738,269,386,519.29 - Step 5: Solve for x
x = 738,269,386,519.29/847,219.10 - Step 6: Final answer
x = 871,403.15
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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.