Finding the Fourth Proportional to 915,630.84, 1,263,416.59 and 610,163.28
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Solution
The fourth proportional to 915,630.84, 1,263,416.59 and 610,163.28 is: 841,922.72
Step by Step Solution
- Step 1: Write the proportion equation
915,630.84 : 1,263,416.59 = 610,163.28 : x - Step 2: Convert to fraction form
915,630.84/1,263,416.59 = 610,163.28/x - Step 3: Cross multiply
915,630.84x = 1,263,416.59 × 610,163.28 - Step 4: Simplify right side
915,630.84x = 770,890,407,510.00 - Step 5: Solve for x
x = 770,890,407,510.00/915,630.84 - Step 6: Final answer
x = 841,922.72
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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.