Finding the Fourth Proportional to 719,258.94, 992,572.44 and 396,969.02
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Solution
The fourth proportional to 719,258.94, 992,572.44 and 396,969.02 is: 547,814.55
Step by Step Solution
- Step 1: Write the proportion equation
719,258.94 : 992,572.44 = 396,969.02 : x - Step 2: Convert to fraction form
719,258.94/992,572.44 = 396,969.02/x - Step 3: Cross multiply
719,258.94x = 992,572.44 × 396,969.02 - Step 4: Simplify right side
719,258.94x = 394,020,511,267.24 - Step 5: Solve for x
x = 394,020,511,267.24/719,258.94 - Step 6: Final answer
x = 547,814.55
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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.