Finding the Fourth Proportional to 476,782.54, 657,668.05 and 283,058.76
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Solution
The fourth proportional to 476,782.54, 657,668.05 and 283,058.76 is: 390,447.82
Step by Step Solution
- Step 1: Write the proportion equation
476,782.54 : 657,668.05 = 283,058.76 : x - Step 2: Convert to fraction form
476,782.54/657,668.05 = 283,058.76/x - Step 3: Cross multiply
476,782.54x = 657,668.05 × 283,058.76 - Step 4: Simplify right side
476,782.54x = 186,158,702,724.62 - Step 5: Solve for x
x = 186,158,702,724.62/476,782.54 - Step 6: Final answer
x = 390,447.82
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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.