Finding the Fourth Proportional to 652,260.60, 899,904.36 and 394,040.88
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Solution
The fourth proportional to 652,260.60, 899,904.36 and 394,040.88 is: 543,646.37
Step by Step Solution
- Step 1: Write the proportion equation
652,260.60 : 899,904.36 = 394,040.88 : x - Step 2: Convert to fraction form
652,260.60/899,904.36 = 394,040.88/x - Step 3: Cross multiply
652,260.60x = 899,904.36 × 394,040.88 - Step 4: Simplify right side
652,260.60x = 354,599,105,930.24 - Step 5: Solve for x
x = 354,599,105,930.24/652,260.60 - Step 6: Final answer
x = 543,646.37
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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.