Finding the Fourth Proportional to 704,969.36, 972,858.95 and 382,679.67
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Solution
The fourth proportional to 704,969.36, 972,858.95 and 382,679.67 is: 528,098.62
Step by Step Solution
- Step 1: Write the proportion equation
704,969.36 : 972,858.95 = 382,679.67 : x - Step 2: Convert to fraction form
704,969.36/972,858.95 = 382,679.67/x - Step 3: Cross multiply
704,969.36x = 972,858.95 × 382,679.67 - Step 4: Simplify right side
704,969.36x = 372,293,340,029.15 - Step 5: Solve for x
x = 372,293,340,029.15/704,969.36 - Step 6: Final answer
x = 528,098.62
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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.