Finding the Fourth Proportional to 567,998.91, 783,838.44 and 313,350.09
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Solution
The fourth proportional to 567,998.91, 783,838.44 and 313,350.09 is: 432,423.09
Step by Step Solution
- Step 1: Write the proportion equation
567,998.91 : 783,838.44 = 313,350.09 : x - Step 2: Convert to fraction form
567,998.91/783,838.44 = 313,350.09/x - Step 3: Cross multiply
567,998.91x = 783,838.44 × 313,350.09 - Step 4: Simplify right side
567,998.91x = 245,615,845,719.46 - Step 5: Solve for x
x = 245,615,845,719.46/567,998.91 - Step 6: Final answer
x = 432,423.09
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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.