Finding the Fourth Proportional to 868,995.84, 1,199,288.08 and 487,096.44
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Solution
The fourth proportional to 868,995.84, 1,199,288.08 and 487,096.44 is: 672,234.46
Step by Step Solution
- Step 1: Write the proportion equation
868,995.84 : 1,199,288.08 = 487,096.44 : x - Step 2: Convert to fraction form
868,995.84/1,199,288.08 = 487,096.44/x - Step 3: Cross multiply
868,995.84x = 1,199,288.08 × 487,096.44 - Step 4: Simplify right side
868,995.84x = 584,168,947,674.06 - Step 5: Solve for x
x = 584,168,947,674.06/868,995.84 - Step 6: Final answer
x = 672,234.46
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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.