Finding the Fourth Proportional to 750,051.20, 1,035,073.37 and 405,887.09
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Solution
The fourth proportional to 750,051.20, 1,035,073.37 and 405,887.09 is: 560,125.66
Step by Step Solution
- Step 1: Write the proportion equation
750,051.20 : 1,035,073.37 = 405,887.09 : x - Step 2: Convert to fraction form
750,051.20/1,035,073.37 = 405,887.09/x - Step 3: Cross multiply
750,051.20x = 1,035,073.37 × 405,887.09 - Step 4: Simplify right side
750,051.20x = 420,122,921,688.20 - Step 5: Solve for x
x = 420,122,921,688.20/750,051.20 - Step 6: Final answer
x = 560,125.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.