Finding the Fourth Proportional to 695,963.73, 960,414.12 and 405,557.13
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Solution
The fourth proportional to 695,963.73, 960,414.12 and 405,557.13 is: 559,659.62
Step by Step Solution
- Step 1: Write the proportion equation
695,963.73 : 960,414.12 = 405,557.13 : x - Step 2: Convert to fraction form
695,963.73/960,414.12 = 405,557.13/x - Step 3: Cross multiply
695,963.73x = 960,414.12 × 405,557.13 - Step 4: Simplify right side
695,963.73x = 389,502,794,118.68 - Step 5: Solve for x
x = 389,502,794,118.68/695,963.73 - Step 6: Final answer
x = 559,659.62
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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.