Finding the Fourth Proportional to 586,721.45, 878,964.99 and 334,176.26
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Solution
The fourth proportional to 586,721.45, 878,964.99 and 334,176.26 is: 500,628.07
Step by Step Solution
- Step 1: Write the proportion equation
586,721.45 : 878,964.99 = 334,176.26 : x - Step 2: Convert to fraction form
586,721.45/878,964.99 = 334,176.26/x - Step 3: Cross multiply
586,721.45x = 878,964.99 × 334,176.26 - Step 4: Simplify right side
586,721.45x = 293,729,227,381.15 - Step 5: Solve for x
x = 293,729,227,381.15/586,721.45 - Step 6: Final answer
x = 500,628.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.