Finding the Fourth Proportional to 583,279.75, 804,926.06 and 315,007.75
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Solution
The fourth proportional to 583,279.75, 804,926.06 and 315,007.75 is: 434,710.70
Step by Step Solution
- Step 1: Write the proportion equation
583,279.75 : 804,926.06 = 315,007.75 : x - Step 2: Convert to fraction form
583,279.75/804,926.06 = 315,007.75/x - Step 3: Cross multiply
583,279.75x = 804,926.06 × 315,007.75 - Step 4: Simplify right side
583,279.75x = 253,557,947,076.97 - Step 5: Solve for x
x = 253,557,947,076.97/583,279.75 - Step 6: Final answer
x = 434,710.70
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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.