Finding the Fourth Proportional to 720,603.47, 1,080,060.98 and 293,873.19
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Solution
The fourth proportional to 720,603.47, 1,080,060.98 and 293,873.19 is: 440,465.50
Step by Step Solution
- Step 1: Write the proportion equation
720,603.47 : 1,080,060.98 = 293,873.19 : x - Step 2: Convert to fraction form
720,603.47/1,080,060.98 = 293,873.19/x - Step 3: Cross multiply
720,603.47x = 1,080,060.98 × 293,873.19 - Step 4: Simplify right side
720,603.47x = 317,400,964,117.76 - Step 5: Solve for x
x = 317,400,964,117.76/720,603.47 - Step 6: Final answer
x = 440,465.50
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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.