Finding the Fourth Proportional to 714,367.28, 1,070,805.68 and 240,889.84
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Solution
The fourth proportional to 714,367.28, 1,070,805.68 and 240,889.84 is: 361,083.46
Step by Step Solution
- Step 1: Write the proportion equation
714,367.28 : 1,070,805.68 = 240,889.84 : x - Step 2: Convert to fraction form
714,367.28/1,070,805.68 = 240,889.84/x - Step 3: Cross multiply
714,367.28x = 1,070,805.68 × 240,889.84 - Step 4: Simplify right side
714,367.28x = 257,946,208,926.29 - Step 5: Solve for x
x = 257,946,208,926.29/714,367.28 - Step 6: Final answer
x = 361,083.46
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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.