Finding the Fourth Proportional to 804,988.60, 1,207,482.90 and 539,567.80
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Solution
The fourth proportional to 804,988.60, 1,207,482.90 and 539,567.80 is: 809,351.70
Step by Step Solution
- Step 1: Write the proportion equation
804,988.60 : 1,207,482.90 = 539,567.80 : x - Step 2: Convert to fraction form
804,988.60/1,207,482.90 = 539,567.80/x - Step 3: Cross multiply
804,988.60x = 1,207,482.90 × 539,567.80 - Step 4: Simplify right side
804,988.60x = 651,518,891,890.62 - Step 5: Solve for x
x = 651,518,891,890.62/804,988.60 - Step 6: Final answer
x = 809,351.70
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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.