Finding the Fourth Proportional to 539,724.09, 744,848.42 and 298,005.92
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Solution
The fourth proportional to 539,724.09, 744,848.42 and 298,005.92 is: 411,264.27
Step by Step Solution
- Step 1: Write the proportion equation
539,724.09 : 744,848.42 = 298,005.92 : x - Step 2: Convert to fraction form
539,724.09/744,848.42 = 298,005.92/x - Step 3: Cross multiply
539,724.09x = 744,848.42 × 298,005.92 - Step 4: Simplify right side
539,724.09x = 221,969,233,448.38 - Step 5: Solve for x
x = 221,969,233,448.38/539,724.09 - Step 6: Final answer
x = 411,264.27
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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.