Finding the Fourth Proportional to 442,646.88, 664,106.40 and 395,602.08
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Solution
The fourth proportional to 442,646.88, 664,106.40 and 395,602.08 is: 593,524.74
Step by Step Solution
- Step 1: Write the proportion equation
442,646.88 : 664,106.40 = 395,602.08 : x - Step 2: Convert to fraction form
442,646.88/664,106.40 = 395,602.08/x - Step 3: Cross multiply
442,646.88x = 664,106.40 × 395,602.08 - Step 4: Simplify right side
442,646.88x = 262,721,873,181.31 - Step 5: Solve for x
x = 262,721,873,181.31/442,646.88 - Step 6: Final answer
x = 593,524.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.