Finding the Fourth Proportional to 836,562.21, 1,154,454.97 and 454,588.08
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Solution
The fourth proportional to 836,562.21, 1,154,454.97 and 454,588.08 is: 627,331.07
Step by Step Solution
- Step 1: Write the proportion equation
836,562.21 : 1,154,454.97 = 454,588.08 : x - Step 2: Convert to fraction form
836,562.21/1,154,454.97 = 454,588.08/x - Step 3: Cross multiply
836,562.21x = 1,154,454.97 × 454,588.08 - Step 4: Simplify right side
836,562.21x = 524,801,468,258.76 - Step 5: Solve for x
x = 524,801,468,258.76/836,562.21 - Step 6: Final answer
x = 627,331.07
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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.