Finding the Fourth Proportional to 972,785.60, 1,460,344.80 and 546,660.80
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Solution
The fourth proportional to 972,785.60, 1,460,344.80 and 546,660.80 is: 820,646.66
Step by Step Solution
- Step 1: Write the proportion equation
972,785.60 : 1,460,344.80 = 546,660.80 : x - Step 2: Convert to fraction form
972,785.60/1,460,344.80 = 546,660.80/x - Step 3: Cross multiply
972,785.60x = 1,460,344.80 × 546,660.80 - Step 4: Simplify right side
972,785.60x = 798,313,256,643.84 - Step 5: Solve for x
x = 798,313,256,643.84/972,785.60 - Step 6: Final answer
x = 820,646.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.