Finding the Fourth Proportional to 707,152.68, 975,973.56 and 397,090.08
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Solution
The fourth proportional to 707,152.68, 975,973.56 and 397,090.08 is: 548,042.07
Step by Step Solution
- Step 1: Write the proportion equation
707,152.68 : 975,973.56 = 397,090.08 : x - Step 2: Convert to fraction form
707,152.68/975,973.56 = 397,090.08/x - Step 3: Cross multiply
707,152.68x = 975,973.56 × 397,090.08 - Step 4: Simplify right side
707,152.68x = 387,549,419,018.29 - Step 5: Solve for x
x = 387,549,419,018.29/707,152.68 - Step 6: Final answer
x = 548,042.07
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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.