Finding the Fourth Proportional to 775,675.73, 1,069,995.14 and 465,498.99
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Solution
The fourth proportional to 775,675.73, 1,069,995.14 and 465,498.99 is: 642,126.13
Step by Step Solution
- Step 1: Write the proportion equation
775,675.73 : 1,069,995.14 = 465,498.99 : x - Step 2: Convert to fraction form
775,675.73/1,069,995.14 = 465,498.99/x - Step 3: Cross multiply
775,675.73x = 1,069,995.14 × 465,498.99 - Step 4: Simplify right side
775,675.73x = 498,081,656,566.78 - Step 5: Solve for x
x = 498,081,656,566.78/775,675.73 - Step 6: Final answer
x = 642,126.13
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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.