Finding the Fourth Proportional to 679,536.58, 937,740.63 and 373,612.63
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Solution
The fourth proportional to 679,536.58, 937,740.63 and 373,612.63 is: 515,574.52
Step by Step Solution
- Step 1: Write the proportion equation
679,536.58 : 937,740.63 = 373,612.63 : x - Step 2: Convert to fraction form
679,536.58/937,740.63 = 373,612.63/x - Step 3: Cross multiply
679,536.58x = 937,740.63 × 373,612.63 - Step 4: Simplify right side
679,536.58x = 350,351,743,032.16 - Step 5: Solve for x
x = 350,351,743,032.16/679,536.58 - Step 6: Final answer
x = 515,574.52
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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.