Finding the Fourth Proportional to 618,009.68, 852,412.42 and 567,186.23
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Solution
The fourth proportional to 618,009.68, 852,412.42 and 567,186.23 is: 782,312.32
Step by Step Solution
- Step 1: Write the proportion equation
618,009.68 : 852,412.42 = 567,186.23 : x - Step 2: Convert to fraction form
618,009.68/852,412.42 = 567,186.23/x - Step 3: Cross multiply
618,009.68x = 852,412.42 × 567,186.23 - Step 4: Simplify right side
618,009.68x = 483,476,586,904.98 - Step 5: Solve for x
x = 483,476,586,904.98/618,009.68 - Step 6: Final answer
x = 782,312.32
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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.