Finding the Fourth Proportional to 542,744.84, 748,497.75 and 338,814.68
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Solution
The fourth proportional to 542,744.84, 748,497.75 and 338,814.68 is: 467,258.29
Step by Step Solution
- Step 1: Write the proportion equation
542,744.84 : 748,497.75 = 338,814.68 : x - Step 2: Convert to fraction form
542,744.84/748,497.75 = 338,814.68/x - Step 3: Cross multiply
542,744.84x = 748,497.75 × 338,814.68 - Step 4: Simplify right side
542,744.84x = 253,602,021,904.48 - Step 5: Solve for x
x = 253,602,021,904.48/542,744.84 - Step 6: Final answer
x = 467,258.29
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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.