Finding the Fourth Proportional to 750,051.42, 1,035,073.68 and 405,887.30
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Solution
The fourth proportional to 750,051.42, 1,035,073.68 and 405,887.30 is: 560,125.95
Step by Step Solution
- Step 1: Write the proportion equation
750,051.42 : 1,035,073.68 = 405,887.30 : x - Step 2: Convert to fraction form
750,051.42/1,035,073.68 = 405,887.30/x - Step 3: Cross multiply
750,051.42x = 1,035,073.68 × 405,887.30 - Step 4: Simplify right side
750,051.42x = 420,123,261,276.26 - Step 5: Solve for x
x = 420,123,261,276.26/750,051.42 - Step 6: Final answer
x = 560,125.95
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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.