Finding the Fourth Proportional to 843,153.22, 1,264,746.30 and 310,400.02
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Solution
The fourth proportional to 843,153.22, 1,264,746.30 and 310,400.02 is: 465,606.09
Step by Step Solution
- Step 1: Write the proportion equation
843,153.22 : 1,264,746.30 = 310,400.02 : x - Step 2: Convert to fraction form
843,153.22/1,264,746.30 = 310,400.02/x - Step 3: Cross multiply
843,153.22x = 1,264,746.30 × 310,400.02 - Step 4: Simplify right side
843,153.22x = 392,577,276,814.93 - Step 5: Solve for x
x = 392,577,276,814.93/843,153.22 - Step 6: Final answer
x = 465,606.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.