Finding the Fourth Proportional to 698,970.62, 964,024.67 and 453,687.23
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Solution
The fourth proportional to 698,970.62, 964,024.67 and 453,687.23 is: 625,728.28
Step by Step Solution
- Step 1: Write the proportion equation
698,970.62 : 964,024.67 = 453,687.23 : x - Step 2: Convert to fraction form
698,970.62/964,024.67 = 453,687.23/x - Step 3: Cross multiply
698,970.62x = 964,024.67 × 453,687.23 - Step 4: Simplify right side
698,970.62x = 437,365,682,183.96 - Step 5: Solve for x
x = 437,365,682,183.96/698,970.62 - Step 6: Final answer
x = 625,728.28
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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.