Finding the Fourth Proportional to 719,360.44, 992,717.50 and 397,070.62
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Solution
The fourth proportional to 719,360.44, 992,717.50 and 397,070.62 is: 547,957.51
Step by Step Solution
- Step 1: Write the proportion equation
719,360.44 : 992,717.50 = 397,070.62 : x - Step 2: Convert to fraction form
719,360.44/992,717.50 = 397,070.62/x - Step 3: Cross multiply
719,360.44x = 992,717.50 × 397,070.62 - Step 4: Simplify right side
719,360.44x = 394,178,953,209.85 - Step 5: Solve for x
x = 394,178,953,209.85/719,360.44 - Step 6: Final answer
x = 547,957.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.