Finding the Fourth Proportional to 719,207.75, 992,477.69 and 396,913.67
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Solution
The fourth proportional to 719,207.75, 992,477.69 and 396,913.67 is: 547,724.85
Step by Step Solution
- Step 1: Write the proportion equation
719,207.75 : 992,477.69 = 396,913.67 : x - Step 2: Convert to fraction form
719,207.75/992,477.69 = 396,913.67/x - Step 3: Cross multiply
719,207.75x = 992,477.69 × 396,913.67 - Step 4: Simplify right side
719,207.75x = 393,927,957,368.63 - Step 5: Solve for x
x = 393,927,957,368.63/719,207.75 - Step 6: Final answer
x = 547,724.85
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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.