Finding the Fourth Proportional to 636,270.96, 878,070.69 and 349,798.26
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Solution
The fourth proportional to 636,270.96, 878,070.69 and 349,798.26 is: 482,730.82
Step by Step Solution
- Step 1: Write the proportion equation
636,270.96 : 878,070.69 = 349,798.26 : x - Step 2: Convert to fraction form
636,270.96/878,070.69 = 349,798.26/x - Step 3: Cross multiply
636,270.96x = 878,070.69 × 349,798.26 - Step 4: Simplify right side
636,270.96x = 307,147,599,519.00 - Step 5: Solve for x
x = 307,147,599,519.00/636,270.96 - Step 6: Final answer
x = 482,730.82
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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.