Finding the Fourth Proportional to 636,596.76, 878,509.80 and 350,118.84
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Solution
The fourth proportional to 636,596.76, 878,509.80 and 350,118.84 is: 483,167.45
Step by Step Solution
- Step 1: Write the proportion equation
636,596.76 : 878,509.80 = 350,118.84 : x - Step 2: Convert to fraction form
636,596.76/878,509.80 = 350,118.84/x - Step 3: Cross multiply
636,596.76x = 878,509.80 × 350,118.84 - Step 4: Simplify right side
636,596.76x = 307,582,832,104.63 - Step 5: Solve for x
x = 307,582,832,104.63/636,596.76 - Step 6: Final answer
x = 483,167.45
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1.5x scale
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.