Finding the Fourth Proportional to 898,297.20, 1,347,445.80 and 862,867.80
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Solution
The fourth proportional to 898,297.20, 1,347,445.80 and 862,867.80 is: 1,294,301.70
Step by Step Solution
- Step 1: Write the proportion equation
898,297.20 : 1,347,445.80 = 862,867.80 : x - Step 2: Convert to fraction form
898,297.20/1,347,445.80 = 862,867.80/x - Step 3: Cross multiply
898,297.20x = 1,347,445.80 × 862,867.80 - Step 4: Simplify right side
898,297.20x = 1,162,667,593,065.24 - Step 5: Solve for x
x = 1,162,667,593,065.24/898,297.20 - Step 6: Final answer
x = 1,294,301.70
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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.