Finding the Fourth Proportional to 862,564.78, 1,190,347.44 and 475,394.02
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Solution
The fourth proportional to 862,564.78, 1,190,347.44 and 475,394.02 is: 656,048.18
Step by Step Solution
- Step 1: Write the proportion equation
862,564.78 : 1,190,347.44 = 475,394.02 : x - Step 2: Convert to fraction form
862,564.78/1,190,347.44 = 475,394.02/x - Step 3: Cross multiply
862,564.78x = 1,190,347.44 × 475,394.02 - Step 4: Simplify right side
862,564.78x = 565,884,054,698.31 - Step 5: Solve for x
x = 565,884,054,698.31/862,564.78 - Step 6: Final answer
x = 656,048.18
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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.