Finding the Fourth Proportional to 862,564.38, 1,190,346.91 and 475,394.00
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Solution
The fourth proportional to 862,564.38, 1,190,346.91 and 475,394.00 is: 656,048.16
Step by Step Solution
- Step 1: Write the proportion equation
862,564.38 : 1,190,346.91 = 475,394.00 : x - Step 2: Convert to fraction form
862,564.38/1,190,346.91 = 475,394.00/x - Step 3: Cross multiply
862,564.38x = 1,190,346.91 × 475,394.00 - Step 4: Simplify right side
862,564.38x = 565,883,771,792.32 - Step 5: Solve for x
x = 565,883,771,792.32/862,564.38 - Step 6: Final answer
x = 656,048.16
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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.