Finding the Fourth Proportional to 929,118.70, 1,394,714.85 and 868,206.70
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Solution
The fourth proportional to 929,118.70, 1,394,714.85 and 868,206.70 is: 1,303,278.88
Step by Step Solution
- Step 1: Write the proportion equation
929,118.70 : 1,394,714.85 = 868,206.70 : x - Step 2: Convert to fraction form
929,118.70/1,394,714.85 = 868,206.70/x - Step 3: Cross multiply
929,118.70x = 1,394,714.85 × 868,206.70 - Step 4: Simplify right side
929,118.70x = 1,210,900,777,359.50 - Step 5: Solve for x
x = 1,210,900,777,359.50/929,118.70 - Step 6: Final answer
x = 1,303,278.88
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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.