Finding the Fourth Proportional to 587,277.05, 810,428.74 and 342,246.20
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Solution
The fourth proportional to 587,277.05, 810,428.74 and 342,246.20 is: 472,291.83
Step by Step Solution
- Step 1: Write the proportion equation
587,277.05 : 810,428.74 = 342,246.20 : x - Step 2: Convert to fraction form
587,277.05/810,428.74 = 342,246.20/x - Step 3: Cross multiply
587,277.05x = 810,428.74 × 342,246.20 - Step 4: Simplify right side
587,277.05x = 277,366,151,728.03 - Step 5: Solve for x
x = 277,366,151,728.03/587,277.05 - Step 6: Final answer
x = 472,291.83
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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.