Finding the Fourth Proportional to 704,336.40, 972,157.68 and 432,469.44
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Solution
The fourth proportional to 704,336.40, 972,157.68 and 432,469.44 is: 596,914.33
Step by Step Solution
- Step 1: Write the proportion equation
704,336.40 : 972,157.68 = 432,469.44 : x - Step 2: Convert to fraction form
704,336.40/972,157.68 = 432,469.44/x - Step 3: Cross multiply
704,336.40x = 972,157.68 × 432,469.44 - Step 4: Simplify right side
704,336.40x = 420,428,487,461.30 - Step 5: Solve for x
x = 420,428,487,461.30/704,336.40 - Step 6: Final answer
x = 596,914.33
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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.