Finding the Fourth Proportional to 665,544.08, 918,448.80 and 363,738.08
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Solution
The fourth proportional to 665,544.08, 918,448.80 and 363,738.08 is: 501,957.44
Step by Step Solution
- Step 1: Write the proportion equation
665,544.08 : 918,448.80 = 363,738.08 : x - Step 2: Convert to fraction form
665,544.08/918,448.80 = 363,738.08/x - Step 3: Cross multiply
665,544.08x = 918,448.80 × 363,738.08 - Step 4: Simplify right side
665,544.08x = 334,074,803,090.30 - Step 5: Solve for x
x = 334,074,803,090.30/665,544.08 - Step 6: Final answer
x = 501,957.44
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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.