Finding the Fourth Proportional to 531,756.50, 797,979.82 and 318,363.62
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Solution
The fourth proportional to 531,756.50, 797,979.82 and 318,363.62 is: 477,752.02
Step by Step Solution
- Step 1: Write the proportion equation
531,756.50 : 797,979.82 = 318,363.62 : x - Step 2: Convert to fraction form
531,756.50/797,979.82 = 318,363.62/x - Step 3: Cross multiply
531,756.50x = 797,979.82 × 318,363.62 - Step 4: Simplify right side
531,756.50x = 254,047,744,182.15 - Step 5: Solve for x
x = 254,047,744,182.15/531,756.50 - Step 6: Final answer
x = 477,752.02
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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.