Finding the Fourth Proportional to 502,129.44, 692,649.36 and 300,808.80
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Solution
The fourth proportional to 502,129.44, 692,649.36 and 300,808.80 is: 414,942.85
Step by Step Solution
- Step 1: Write the proportion equation
502,129.44 : 692,649.36 = 300,808.80 : x - Step 2: Convert to fraction form
502,129.44/692,649.36 = 300,808.80/x - Step 3: Cross multiply
502,129.44x = 692,649.36 × 300,808.80 - Step 4: Simplify right side
502,129.44x = 208,355,022,802.37 - Step 5: Solve for x
x = 208,355,022,802.37/502,129.44 - Step 6: Final answer
x = 414,942.85
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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.