Finding the Fourth Proportional to 823,634.18, 1,136,615.62 and 461,058.74
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Solution
The fourth proportional to 823,634.18, 1,136,615.62 and 461,058.74 is: 636,261.31
Step by Step Solution
- Step 1: Write the proportion equation
823,634.18 : 1,136,615.62 = 461,058.74 : x - Step 2: Convert to fraction form
823,634.18/1,136,615.62 = 461,058.74/x - Step 3: Cross multiply
823,634.18x = 1,136,615.62 × 461,058.74 - Step 4: Simplify right side
823,634.18x = 524,046,565,621.52 - Step 5: Solve for x
x = 524,046,565,621.52/823,634.18 - Step 6: Final answer
x = 636,261.31
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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.