Finding the Fourth Proportional to 611,963.91, 843,750.84 and 407,566.71
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Solution
The fourth proportional to 611,963.91, 843,750.84 and 407,566.71 is: 561,936.33
Step by Step Solution
- Step 1: Write the proportion equation
611,963.91 : 843,750.84 = 407,566.71 : x - Step 2: Convert to fraction form
611,963.91/843,750.84 = 407,566.71/x - Step 3: Cross multiply
611,963.91x = 843,750.84 × 407,566.71 - Step 4: Simplify right side
611,963.91x = 343,884,753,918.54 - Step 5: Solve for x
x = 343,884,753,918.54/611,963.91 - Step 6: Final answer
x = 561,936.33
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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.