Finding the Fourth Proportional to 639,351.68, 882,291.84 and 348,953.62
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Solution
The fourth proportional to 639,351.68, 882,291.84 and 348,953.62 is: 481,548.64
Step by Step Solution
- Step 1: Write the proportion equation
639,351.68 : 882,291.84 = 348,953.62 : x - Step 2: Convert to fraction form
639,351.68/882,291.84 = 348,953.62/x - Step 3: Cross multiply
639,351.68x = 882,291.84 × 348,953.62 - Step 4: Simplify right side
639,351.68x = 307,878,931,567.32 - Step 5: Solve for x
x = 307,878,931,567.32/639,351.68 - Step 6: Final answer
x = 481,548.64
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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.