Finding the Fourth Proportional to 658,783.64, 987,412.44 and 303,051.08
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Solution
The fourth proportional to 658,783.64, 987,412.44 and 303,051.08 is: 454,225.62
Step by Step Solution
- Step 1: Write the proportion equation
658,783.64 : 987,412.44 = 303,051.08 : x - Step 2: Convert to fraction form
658,783.64/987,412.44 = 303,051.08/x - Step 3: Cross multiply
658,783.64x = 987,412.44 × 303,051.08 - Step 4: Simplify right side
658,783.64x = 299,236,406,347.44 - Step 5: Solve for x
x = 299,236,406,347.44/658,783.64 - Step 6: Final answer
x = 454,225.62
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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.