Finding the Fourth Proportional to 561,863.11, 775,581.93 and 368,283.28
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Solution
The fourth proportional to 561,863.11, 775,581.93 and 368,283.28 is: 508,369.12
Step by Step Solution
- Step 1: Write the proportion equation
561,863.11 : 775,581.93 = 368,283.28 : x - Step 2: Convert to fraction form
561,863.11/775,581.93 = 368,283.28/x - Step 3: Cross multiply
561,863.11x = 775,581.93 × 368,283.28 - Step 4: Simplify right side
561,863.11x = 285,633,857,089.13 - Step 5: Solve for x
x = 285,633,857,089.13/561,863.11 - Step 6: Final answer
x = 508,369.12
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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.