Finding the Fourth Proportional to 636,589.73, 878,499.71 and 346,204.05
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Solution
The fourth proportional to 636,589.73, 878,499.71 and 346,204.05 is: 477,764.79
Step by Step Solution
- Step 1: Write the proportion equation
636,589.73 : 878,499.71 = 346,204.05 : x - Step 2: Convert to fraction form
636,589.73/878,499.71 = 346,204.05/x - Step 3: Cross multiply
636,589.73x = 878,499.71 × 346,204.05 - Step 4: Simplify right side
636,589.73x = 304,140,155,794.81 - Step 5: Solve for x
x = 304,140,155,794.81/636,589.73 - Step 6: Final answer
x = 477,764.79
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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.