Finding the Fourth Proportional to 760,560.98, 1,049,586.53 and 416,391.10
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Solution
The fourth proportional to 760,560.98, 1,049,586.53 and 416,391.10 is: 574,626.49
Step by Step Solution
- Step 1: Write the proportion equation
760,560.98 : 1,049,586.53 = 416,391.10 : x - Step 2: Convert to fraction form
760,560.98/1,049,586.53 = 416,391.10/x - Step 3: Cross multiply
760,560.98x = 1,049,586.53 × 416,391.10 - Step 4: Simplify right side
760,560.98x = 437,038,485,065.96 - Step 5: Solve for x
x = 437,038,485,065.96/760,560.98 - Step 6: Final answer
x = 574,626.49
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.