Finding the Fourth Proportional to 996,899.70, 1,495,349.57 and 248,945.70
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Solution
The fourth proportional to 996,899.70, 1,495,349.57 and 248,945.70 is: 373,418.55
Step by Step Solution
- Step 1: Write the proportion equation
996,899.70 : 1,495,349.57 = 248,945.70 : x - Step 2: Convert to fraction form
996,899.70/1,495,349.57 = 248,945.70/x - Step 3: Cross multiply
996,899.70x = 1,495,349.57 × 248,945.70 - Step 4: Simplify right side
996,899.70x = 372,260,845,448.35 - Step 5: Solve for x
x = 372,260,845,448.35/996,899.70 - Step 6: Final answer
x = 373,418.55
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Double scale
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Similar ratio
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1.5x scale
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.