Finding the Fourth Proportional to 704,472.13, 972,171.93 and 382,182.19
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Solution
The fourth proportional to 704,472.13, 972,171.93 and 382,182.19 is: 527,411.63
Step by Step Solution
- Step 1: Write the proportion equation
704,472.13 : 972,171.93 = 382,182.19 : x - Step 2: Convert to fraction form
704,472.13/972,171.93 = 382,182.19/x - Step 3: Cross multiply
704,472.13x = 972,171.93 × 382,182.19 - Step 4: Simplify right side
704,472.13x = 371,546,797,263.93 - Step 5: Solve for x
x = 371,546,797,263.93/704,472.13 - Step 6: Final answer
x = 527,411.63
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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.