Finding the Fourth Proportional to 765,796.28, 1,057,125.95 and 545,175.99
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Solution
The fourth proportional to 765,796.28, 1,057,125.95 and 545,175.99 is: 752,575.72
Step by Step Solution
- Step 1: Write the proportion equation
765,796.28 : 1,057,125.95 = 545,175.99 : x - Step 2: Convert to fraction form
765,796.28/1,057,125.95 = 545,175.99/x - Step 3: Cross multiply
765,796.28x = 1,057,125.95 × 545,175.99 - Step 4: Simplify right side
765,796.28x = 576,319,683,620.06 - Step 5: Solve for x
x = 576,319,683,620.06/765,796.28 - Step 6: Final answer
x = 752,575.72
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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.