Finding the Fourth Proportional to 744,929.80, 1,117,394.70 and 183,964.30
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Solution
The fourth proportional to 744,929.80, 1,117,394.70 and 183,964.30 is: 275,946.45
Step by Step Solution
- Step 1: Write the proportion equation
744,929.80 : 1,117,394.70 = 183,964.30 : x - Step 2: Convert to fraction form
744,929.80/1,117,394.70 = 183,964.30/x - Step 3: Cross multiply
744,929.80x = 1,117,394.70 × 183,964.30 - Step 4: Simplify right side
744,929.80x = 205,560,733,809.21 - Step 5: Solve for x
x = 205,560,733,809.21/744,929.80 - Step 6: Final answer
x = 275,946.45
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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.