Finding the Fourth Proportional to 704,833.20, 972,645.12 and 382,536.84
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Solution
The fourth proportional to 704,833.20, 972,645.12 and 382,536.84 is: 527,887.44
Step by Step Solution
- Step 1: Write the proportion equation
704,833.20 : 972,645.12 = 382,536.84 : x - Step 2: Convert to fraction form
704,833.20/972,645.12 = 382,536.84/x - Step 3: Cross multiply
704,833.20x = 972,645.12 × 382,536.84 - Step 4: Simplify right side
704,833.20x = 372,072,590,646.22 - Step 5: Solve for x
x = 372,072,590,646.22/704,833.20 - Step 6: Final answer
x = 527,887.44
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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.