Finding the Fourth Proportional to 695,967.23, 960,418.95 and 405,560.63
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Solution
The fourth proportional to 695,967.23, 960,418.95 and 405,560.63 is: 559,664.45
Step by Step Solution
- Step 1: Write the proportion equation
695,967.23 : 960,418.95 = 405,560.63 : x - Step 2: Convert to fraction form
695,967.23/960,418.95 = 405,560.63/x - Step 3: Cross multiply
695,967.23x = 960,418.95 × 405,560.63 - Step 4: Simplify right side
695,967.23x = 389,508,114,425.94 - Step 5: Solve for x
x = 389,508,114,425.94/695,967.23 - Step 6: Final answer
x = 559,664.45
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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.