Finding the Fourth Proportional to 633,695.16, 874,534.35 and 361,850.38
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Solution
The fourth proportional to 633,695.16, 874,534.35 and 361,850.38 is: 499,373.52
Step by Step Solution
- Step 1: Write the proportion equation
633,695.16 : 874,534.35 = 361,850.38 : x - Step 2: Convert to fraction form
633,695.16/874,534.35 = 361,850.38/x - Step 3: Cross multiply
633,695.16x = 874,534.35 × 361,850.38 - Step 4: Simplify right side
633,695.16x = 316,450,585,447.67 - Step 5: Solve for x
x = 316,450,585,447.67/633,695.16 - Step 6: Final answer
x = 499,373.52
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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.