Finding the Fourth Proportional to 506,540.05, 699,057.74 and 291,675.50
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Solution
The fourth proportional to 506,540.05, 699,057.74 and 291,675.50 is: 402,530.89
Step by Step Solution
- Step 1: Write the proportion equation
506,540.05 : 699,057.74 = 291,675.50 : x - Step 2: Convert to fraction form
506,540.05/699,057.74 = 291,675.50/x - Step 3: Cross multiply
506,540.05x = 699,057.74 × 291,675.50 - Step 4: Simplify right side
506,540.05x = 203,898,015,698.74 - Step 5: Solve for x
x = 203,898,015,698.74/506,540.05 - Step 6: Final answer
x = 402,530.89
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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.