Finding the Fourth Proportional to 418,817.80, 628,226.73 and 292,704.31
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Solution
The fourth proportional to 418,817.80, 628,226.73 and 292,704.31 is: 439,056.48
Step by Step Solution
- Step 1: Write the proportion equation
418,817.80 : 628,226.73 = 292,704.31 : x - Step 2: Convert to fraction form
418,817.80/628,226.73 = 292,704.31/x - Step 3: Cross multiply
418,817.80x = 628,226.73 × 292,704.31 - Step 4: Simplify right side
418,817.80x = 183,884,669,957.64 - Step 5: Solve for x
x = 183,884,669,957.64/418,817.80 - Step 6: Final answer
x = 439,056.48
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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.