Finding the Fourth Proportional to 639,262.58, 882,203.53 and 348,890.00
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Solution
The fourth proportional to 639,262.58, 882,203.53 and 348,890.00 is: 481,479.75
Step by Step Solution
- Step 1: Write the proportion equation
639,262.58 : 882,203.53 = 348,890.00 : x - Step 2: Convert to fraction form
639,262.58/882,203.53 = 348,890.00/x - Step 3: Cross multiply
639,262.58x = 882,203.53 × 348,890.00 - Step 4: Simplify right side
639,262.58x = 307,791,990,914.98 - Step 5: Solve for x
x = 307,791,990,914.98/639,262.58 - Step 6: Final answer
x = 481,479.75
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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.