Finding the Fourth Proportional to 949,090.20, 1,423,220.58 and 284,086.68
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Solution
The fourth proportional to 949,090.20, 1,423,220.58 and 284,086.68 is: 426,005.88
Step by Step Solution
- Step 1: Write the proportion equation
949,090.20 : 1,423,220.58 = 284,086.68 : x - Step 2: Convert to fraction form
949,090.20/1,423,220.58 = 284,086.68/x - Step 3: Cross multiply
949,090.20x = 1,423,220.58 × 284,086.68 - Step 4: Simplify right side
949,090.20x = 404,318,009,479.87 - Step 5: Solve for x
x = 404,318,009,479.87/949,090.20 - Step 6: Final answer
x = 426,005.88
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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.