Finding the Fourth Proportional to 512,597.12, 707,354.73 and 306,098.53
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Solution
The fourth proportional to 512,597.12, 707,354.73 and 306,098.53 is: 422,398.48
Step by Step Solution
- Step 1: Write the proportion equation
512,597.12 : 707,354.73 = 306,098.53 : x - Step 2: Convert to fraction form
512,597.12/707,354.73 = 306,098.53/x - Step 3: Cross multiply
512,597.12x = 707,354.73 × 306,098.53 - Step 4: Simplify right side
512,597.12x = 216,520,241,273.16 - Step 5: Solve for x
x = 216,520,241,273.16/512,597.12 - Step 6: Final answer
x = 422,398.48
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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.