Finding the Fourth Proportional to 476,781.04, 657,665.98 and 283,057.26
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Solution
The fourth proportional to 476,781.04, 657,665.98 and 283,057.26 is: 390,445.75
Step by Step Solution
- Step 1: Write the proportion equation
476,781.04 : 657,665.98 = 283,057.26 : x - Step 2: Convert to fraction form
476,781.04/657,665.98 = 283,057.26/x - Step 3: Cross multiply
476,781.04x = 657,665.98 × 283,057.26 - Step 4: Simplify right side
476,781.04x = 186,157,130,562.01 - Step 5: Solve for x
x = 186,157,130,562.01/476,781.04 - Step 6: Final answer
x = 390,445.75
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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.