Finding the Fourth Proportional to 894,883.84, 1,234,939.26 and 492,475.84
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Solution
The fourth proportional to 894,883.84, 1,234,939.26 and 492,475.84 is: 679,616.42
Step by Step Solution
- Step 1: Write the proportion equation
894,883.84 : 1,234,939.26 = 492,475.84 : x - Step 2: Convert to fraction form
894,883.84/1,234,939.26 = 492,475.84/x - Step 3: Cross multiply
894,883.84x = 1,234,939.26 × 492,475.84 - Step 4: Simplify right side
894,883.84x = 608,177,749,417.48 - Step 5: Solve for x
x = 608,177,749,417.48/894,883.84 - Step 6: Final answer
x = 679,616.42
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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.