Finding the Fourth Proportional to 665,407.60, 918,261.48 and 378,927.82
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Solution
The fourth proportional to 665,407.60, 918,261.48 and 378,927.82 is: 522,919.82
Step by Step Solution
- Step 1: Write the proportion equation
665,407.60 : 918,261.48 = 378,927.82 : x - Step 2: Convert to fraction form
665,407.60/918,261.48 = 378,927.82/x - Step 3: Cross multiply
665,407.60x = 918,261.48 × 378,927.82 - Step 4: Simplify right side
665,407.60x = 347,954,820,806.37 - Step 5: Solve for x
x = 347,954,820,806.37/665,407.60 - Step 6: Final answer
x = 522,919.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.