Finding the Fourth Proportional to 506,970.38, 699,774.87 and 292,253.98
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Solution
The fourth proportional to 506,970.38, 699,774.87 and 292,253.98 is: 403,400.28
Step by Step Solution
- Step 1: Write the proportion equation
506,970.38 : 699,774.87 = 292,253.98 : x - Step 2: Convert to fraction form
506,970.38/699,774.87 = 292,253.98/x - Step 3: Cross multiply
506,970.38x = 699,774.87 × 292,253.98 - Step 4: Simplify right side
506,970.38x = 204,511,990,861.48 - Step 5: Solve for x
x = 204,511,990,861.48/506,970.38 - Step 6: Final answer
x = 403,400.28
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1.5x scale
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.