Finding the Fourth Proportional to 998,467.80, 1,497,701.70 and 620,554.20
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Solution
The fourth proportional to 998,467.80, 1,497,701.70 and 620,554.20 is: 930,831.30
Step by Step Solution
- Step 1: Write the proportion equation
998,467.80 : 1,497,701.70 = 620,554.20 : x - Step 2: Convert to fraction form
998,467.80/1,497,701.70 = 620,554.20/x - Step 3: Cross multiply
998,467.80x = 1,497,701.70 × 620,554.20 - Step 4: Simplify right side
998,467.80x = 929,405,080,282.14 - Step 5: Solve for x
x = 929,405,080,282.14/998,467.80 - Step 6: Final answer
x = 930,831.30
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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.