Finding the Fourth Proportional to 496,377.97, 684,774.08 and 292,331.21
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Solution
The fourth proportional to 496,377.97, 684,774.08 and 292,331.21 is: 403,283.08
Step by Step Solution
- Step 1: Write the proportion equation
496,377.97 : 684,774.08 = 292,331.21 : x - Step 2: Convert to fraction form
496,377.97/684,774.08 = 292,331.21/x - Step 3: Cross multiply
496,377.97x = 684,774.08 × 292,331.21 - Step 4: Simplify right side
496,377.97x = 200,180,835,383.04 - Step 5: Solve for x
x = 200,180,835,383.04/496,377.97 - Step 6: Final answer
x = 403,283.08
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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.