Finding the Fourth Proportional to 624,966.60, 862,451.18 and 349,324.09
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Solution
The fourth proportional to 624,966.60, 862,451.18 and 349,324.09 is: 482,065.72
Step by Step Solution
- Step 1: Write the proportion equation
624,966.60 : 862,451.18 = 349,324.09 : x - Step 2: Convert to fraction form
624,966.60/862,451.18 = 349,324.09/x - Step 3: Cross multiply
624,966.60x = 862,451.18 × 349,324.09 - Step 4: Simplify right side
624,966.60x = 301,274,973,622.93 - Step 5: Solve for x
x = 301,274,973,622.93/624,966.60 - Step 6: Final answer
x = 482,065.72
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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.