Finding the Fourth Proportional to 636,827.06, 878,821.35 and 350,341.00
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Solution
The fourth proportional to 636,827.06, 878,821.35 and 350,341.00 is: 483,470.58
Step by Step Solution
- Step 1: Write the proportion equation
636,827.06 : 878,821.35 = 350,341.00 : x - Step 2: Convert to fraction form
636,827.06/878,821.35 = 350,341.00/x - Step 3: Cross multiply
636,827.06x = 878,821.35 × 350,341.00 - Step 4: Simplify right side
636,827.06x = 307,887,147,069.52 - Step 5: Solve for x
x = 307,887,147,069.52/636,827.06 - Step 6: Final answer
x = 483,470.58
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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.