Finding the Fourth Proportional to 636,670.68, 878,619.58 and 350,205.28
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Solution
The fourth proportional to 636,670.68, 878,619.58 and 350,205.28 is: 483,291.01
Step by Step Solution
- Step 1: Write the proportion equation
636,670.68 : 878,619.58 = 350,205.28 : x - Step 2: Convert to fraction form
636,670.68/878,619.58 = 350,205.28/x - Step 3: Cross multiply
636,670.68x = 878,619.58 × 350,205.28 - Step 4: Simplify right side
636,670.68x = 307,697,216,027.38 - Step 5: Solve for x
x = 307,697,216,027.38/636,670.68 - Step 6: Final answer
x = 483,291.01
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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.