Finding the Fourth Proportional to 781,858.68, 1,079,066.64 and 437,825.62
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Solution
The fourth proportional to 781,858.68, 1,079,066.64 and 437,825.62 is: 604,256.28
Step by Step Solution
- Step 1: Write the proportion equation
781,858.68 : 1,079,066.64 = 437,825.62 : x - Step 2: Convert to fraction form
781,858.68/1,079,066.64 = 437,825.62/x - Step 3: Cross multiply
781,858.68x = 1,079,066.64 × 437,825.62 - Step 4: Simplify right side
781,858.68x = 472,443,020,679.32 - Step 5: Solve for x
x = 472,443,020,679.32/781,858.68 - Step 6: Final answer
x = 604,256.28
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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.