Finding the Fourth Proportional to 847,723.84, 1,169,883.80 and 485,264.12
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Solution
The fourth proportional to 847,723.84, 1,169,883.80 and 485,264.12 is: 669,678.74
Step by Step Solution
- Step 1: Write the proportion equation
847,723.84 : 1,169,883.80 = 485,264.12 : x - Step 2: Convert to fraction form
847,723.84/1,169,883.80 = 485,264.12/x - Step 3: Cross multiply
847,723.84x = 1,169,883.80 × 485,264.12 - Step 4: Simplify right side
847,723.84x = 567,702,632,709.26 - Step 5: Solve for x
x = 567,702,632,709.26/847,723.84 - Step 6: Final answer
x = 669,678.74
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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.