Finding the Fourth Proportional to 778,891.80, 1,165,745.70 and 565,051.80
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Solution
The fourth proportional to 778,891.80, 1,165,745.70 and 565,051.80 is: 845,697.32
Step by Step Solution
- Step 1: Write the proportion equation
778,891.80 : 1,165,745.70 = 565,051.80 : x - Step 2: Convert to fraction form
778,891.80/1,165,745.70 = 565,051.80/x - Step 3: Cross multiply
778,891.80x = 1,165,745.70 × 565,051.80 - Step 4: Simplify right side
778,891.80x = 658,706,706,127.26 - Step 5: Solve for x
x = 658,706,706,127.26/778,891.80 - Step 6: Final answer
x = 845,697.32
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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.