Finding the Fourth Proportional to 569,082.26, 785,331.91 and 314,431.63
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Solution
The fourth proportional to 569,082.26, 785,331.91 and 314,431.63 is: 433,914.76
Step by Step Solution
- Step 1: Write the proportion equation
569,082.26 : 785,331.91 = 314,431.63 : x - Step 2: Convert to fraction form
569,082.26/785,331.91 = 314,431.63/x - Step 3: Cross multiply
569,082.26x = 785,331.91 × 314,431.63 - Step 4: Simplify right side
569,082.26x = 246,933,192,552.31 - Step 5: Solve for x
x = 246,933,192,552.31/569,082.26 - Step 6: Final answer
x = 433,914.76
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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.