Finding the Fourth Proportional to 902,915.83, 1,246,033.98 and 515,782.51
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Solution
The fourth proportional to 902,915.83, 1,246,033.98 and 515,782.51 is: 711,785.65
Step by Step Solution
- Step 1: Write the proportion equation
902,915.83 : 1,246,033.98 = 515,782.51 : x - Step 2: Convert to fraction form
902,915.83/1,246,033.98 = 515,782.51/x - Step 3: Cross multiply
902,915.83x = 1,246,033.98 × 515,782.51 - Step 4: Simplify right side
902,915.83x = 642,682,533,749.69 - Step 5: Solve for x
x = 642,682,533,749.69/902,915.83 - Step 6: Final answer
x = 711,785.65
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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.