Finding the Fourth Proportional to 669,182.74, 918,349.75 and 664,458.82
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Solution
The fourth proportional to 669,182.74, 918,349.75 and 664,458.82 is: 911,866.90
Step by Step Solution
- Step 1: Write the proportion equation
669,182.74 : 918,349.75 = 664,458.82 : x - Step 2: Convert to fraction form
669,182.74/918,349.75 = 664,458.82/x - Step 3: Cross multiply
669,182.74x = 918,349.75 × 664,458.82 - Step 4: Simplify right side
669,182.74x = 610,205,591,232.30 - Step 5: Solve for x
x = 610,205,591,232.30/669,182.74 - Step 6: Final answer
x = 911,866.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.