Finding the Fourth Proportional to 972,201.80, 1,458,302.70 and 499,809.80
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Solution
The fourth proportional to 972,201.80, 1,458,302.70 and 499,809.80 is: 749,714.70
Step by Step Solution
- Step 1: Write the proportion equation
972,201.80 : 1,458,302.70 = 499,809.80 : x - Step 2: Convert to fraction form
972,201.80/1,458,302.70 = 499,809.80/x - Step 3: Cross multiply
972,201.80x = 1,458,302.70 × 499,809.80 - Step 4: Simplify right side
972,201.80x = 728,873,980,826.46 - Step 5: Solve for x
x = 728,873,980,826.46/972,201.80 - Step 6: Final answer
x = 749,714.70
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1.5x scale
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.