Finding the Fourth Proportional to 836,101.04, 1,153,822.74 and 454,134.20
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Solution
The fourth proportional to 836,101.04, 1,153,822.74 and 454,134.20 is: 626,706.99
Step by Step Solution
- Step 1: Write the proportion equation
836,101.04 : 1,153,822.74 = 454,134.20 : x - Step 2: Convert to fraction form
836,101.04/1,153,822.74 = 454,134.20/x - Step 3: Cross multiply
836,101.04x = 1,153,822.74 × 454,134.20 - Step 4: Simplify right side
836,101.04x = 523,990,366,971.71 - Step 5: Solve for x
x = 523,990,366,971.71/836,101.04 - Step 6: Final answer
x = 626,706.99
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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.