Finding the Fourth Proportional to 478,583.13, 717,197.94 and 265,444.94
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Solution
The fourth proportional to 478,583.13, 717,197.94 and 265,444.94 is: 397,792.05
Step by Step Solution
- Step 1: Write the proportion equation
478,583.13 : 717,197.94 = 265,444.94 : x - Step 2: Convert to fraction form
478,583.13/717,197.94 = 265,444.94/x - Step 3: Cross multiply
478,583.13x = 717,197.94 × 265,444.94 - Step 4: Simplify right side
478,583.13x = 190,376,562,824.20 - Step 5: Solve for x
x = 190,376,562,824.20/478,583.13 - Step 6: Final answer
x = 397,792.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.