Finding the Fourth Proportional to 719,258.93, 992,572.41 and 396,969.02
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Solution
The fourth proportional to 719,258.93, 992,572.41 and 396,969.02 is: 547,814.53
Step by Step Solution
- Step 1: Write the proportion equation
719,258.93 : 992,572.41 = 396,969.02 : x - Step 2: Convert to fraction form
719,258.93/992,572.41 = 396,969.02/x - Step 3: Cross multiply
719,258.93x = 992,572.41 × 396,969.02 - Step 4: Simplify right side
719,258.93x = 394,020,491,913.88 - Step 5: Solve for x
x = 394,020,491,913.88/719,258.93 - Step 6: Final answer
x = 547,814.53
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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.