Finding the Fourth Proportional to 748,698.88, 1,032,911.36 and 461,720.80
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Solution
The fourth proportional to 748,698.88, 1,032,911.36 and 461,720.80 is: 636,993.95
Step by Step Solution
- Step 1: Write the proportion equation
748,698.88 : 1,032,911.36 = 461,720.80 : x - Step 2: Convert to fraction form
748,698.88/1,032,911.36 = 461,720.80/x - Step 3: Cross multiply
748,698.88x = 1,032,911.36 × 461,720.80 - Step 4: Simplify right side
748,698.88x = 476,916,659,468.29 - Step 5: Solve for x
x = 476,916,659,468.29/748,698.88 - Step 6: Final answer
x = 636,993.95
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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.