Finding the Fourth Proportional to 864,309.49, 1,192,740.19 and 501,766.99
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Solution
The fourth proportional to 864,309.49, 1,192,740.19 and 501,766.99 is: 692,434.44
Step by Step Solution
- Step 1: Write the proportion equation
864,309.49 : 1,192,740.19 = 501,766.99 : x - Step 2: Convert to fraction form
864,309.49/1,192,740.19 = 501,766.99/x - Step 3: Cross multiply
864,309.49x = 1,192,740.19 × 501,766.99 - Step 4: Simplify right side
864,309.49x = 598,477,654,988.33 - Step 5: Solve for x
x = 598,477,654,988.33/864,309.49 - Step 6: Final answer
x = 692,434.44
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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.