Finding the Fourth Proportional to 539,724.35, 744,814.73 and 298,001.70
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Solution
The fourth proportional to 539,724.35, 744,814.73 and 298,001.70 is: 411,239.65
Step by Step Solution
- Step 1: Write the proportion equation
539,724.35 : 744,814.73 = 298,001.70 : x - Step 2: Convert to fraction form
539,724.35/744,814.73 = 298,001.70/x - Step 3: Cross multiply
539,724.35x = 744,814.73 × 298,001.70 - Step 4: Simplify right side
539,724.35x = 221,956,056,470.05 - Step 5: Solve for x
x = 221,956,056,470.05/539,724.35 - Step 6: Final answer
x = 411,239.65
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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.