Finding the Fourth Proportional to 858,560.14, 1,287,840.30 and 297,594.64
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Solution
The fourth proportional to 858,560.14, 1,287,840.30 and 297,594.64 is: 446,391.99
Step by Step Solution
- Step 1: Write the proportion equation
858,560.14 : 1,287,840.30 = 297,594.64 : x - Step 2: Convert to fraction form
858,560.14/1,287,840.30 = 297,594.64/x - Step 3: Cross multiply
858,560.14x = 1,287,840.30 × 297,594.64 - Step 4: Simplify right side
858,560.14x = 383,254,370,455.99 - Step 5: Solve for x
x = 383,254,370,455.99/858,560.14 - Step 6: Final answer
x = 446,391.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.