Finding the Fourth Proportional to 836,660.08, 1,154,598.20 and 454,686.80
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Solution
The fourth proportional to 836,660.08, 1,154,598.20 and 454,686.80 is: 627,471.75
Step by Step Solution
- Step 1: Write the proportion equation
836,660.08 : 1,154,598.20 = 454,686.80 : x - Step 2: Convert to fraction form
836,660.08/1,154,598.20 = 454,686.80/x - Step 3: Cross multiply
836,660.08x = 1,154,598.20 × 454,686.80 - Step 4: Simplify right side
836,660.08x = 524,980,560,843.76 - Step 5: Solve for x
x = 524,980,560,843.76/836,660.08 - Step 6: Final answer
x = 627,471.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.