Finding the Fourth Proportional to 665,536.09, 918,440.10 and 363,730.09
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Solution
The fourth proportional to 665,536.09, 918,440.10 and 363,730.09 is: 501,947.69
Step by Step Solution
- Step 1: Write the proportion equation
665,536.09 : 918,440.10 = 363,730.09 : x - Step 2: Convert to fraction form
665,536.09/918,440.10 = 363,730.09/x - Step 3: Cross multiply
665,536.09x = 918,440.10 × 363,730.09 - Step 4: Simplify right side
665,536.09x = 334,064,300,232.61 - Step 5: Solve for x
x = 334,064,300,232.61/665,536.09 - Step 6: Final answer
x = 501,947.69
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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.