Finding the Fourth Proportional to 719,233.68, 992,467.44 and 396,937.92
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Solution
The fourth proportional to 719,233.68, 992,467.44 and 396,937.92 is: 547,732.92
Step by Step Solution
- Step 1: Write the proportion equation
719,233.68 : 992,467.44 = 396,937.92 : x - Step 2: Convert to fraction form
719,233.68/992,467.44 = 396,937.92/x - Step 3: Cross multiply
719,233.68x = 992,467.44 × 396,937.92 - Step 4: Simplify right side
719,233.68x = 393,947,961,301.33 - Step 5: Solve for x
x = 393,947,961,301.33/719,233.68 - Step 6: Final answer
x = 547,732.92
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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.