Finding the Fourth Proportional to 943,656.83, 1,302,261.26 and 513,936.62
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Solution
The fourth proportional to 943,656.83, 1,302,261.26 and 513,936.62 is: 709,240.61
Step by Step Solution
- Step 1: Write the proportion equation
943,656.83 : 1,302,261.26 = 513,936.62 : x - Step 2: Convert to fraction form
943,656.83/1,302,261.26 = 513,936.62/x - Step 3: Cross multiply
943,656.83x = 1,302,261.26 × 513,936.62 - Step 4: Simplify right side
943,656.83x = 669,279,753,400.03 - Step 5: Solve for x
x = 669,279,753,400.03/943,656.83 - Step 6: Final answer
x = 709,240.61
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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.