Finding the Fourth Proportional to 704,480.13, 972,182.93 and 382,190.14
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Solution
The fourth proportional to 704,480.13, 972,182.93 and 382,190.14 is: 527,422.58
Step by Step Solution
- Step 1: Write the proportion equation
704,480.13 : 972,182.93 = 382,190.14 : x - Step 2: Convert to fraction form
704,480.13/972,182.93 = 382,190.14/x - Step 3: Cross multiply
704,480.13x = 972,182.93 × 382,190.14 - Step 4: Simplify right side
704,480.13x = 371,558,730,122.31 - Step 5: Solve for x
x = 371,558,730,122.31/704,480.13 - Step 6: Final answer
x = 527,422.58
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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.