Finding the Fourth Proportional to 543,203.70, 814,805.55 and 539,267.10
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Solution
The fourth proportional to 543,203.70, 814,805.55 and 539,267.10 is: 808,900.65
Step by Step Solution
- Step 1: Write the proportion equation
543,203.70 : 814,805.55 = 539,267.10 : x - Step 2: Convert to fraction form
543,203.70/814,805.55 = 539,267.10/x - Step 3: Cross multiply
543,203.70x = 814,805.55 × 539,267.10 - Step 4: Simplify right side
543,203.70x = 439,397,826,012.41 - Step 5: Solve for x
x = 439,397,826,012.41/543,203.70 - Step 6: Final answer
x = 808,900.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.