Finding the Fourth Proportional to 836,888.21, 1,154,904.85 and 454,917.73
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Solution
The fourth proportional to 836,888.21, 1,154,904.85 and 454,917.73 is: 627,785.99
Step by Step Solution
- Step 1: Write the proportion equation
836,888.21 : 1,154,904.85 = 454,917.73 : x - Step 2: Convert to fraction form
836,888.21/1,154,904.85 = 454,917.73/x - Step 3: Cross multiply
836,888.21x = 1,154,904.85 × 454,917.73 - Step 4: Simplify right side
836,888.21x = 525,386,692,727.99 - Step 5: Solve for x
x = 525,386,692,727.99/836,888.21 - Step 6: Final answer
x = 627,785.99
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1.5x scale
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.