Finding the Fourth Proportional to 596,509.60, 822,771.12 and 498,121.60
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Solution
The fourth proportional to 596,509.60, 822,771.12 and 498,121.60 is: 687,063.66
Step by Step Solution
- Step 1: Write the proportion equation
596,509.60 : 822,771.12 = 498,121.60 : x - Step 2: Convert to fraction form
596,509.60/822,771.12 = 498,121.60/x - Step 3: Cross multiply
596,509.60x = 822,771.12 × 498,121.60 - Step 4: Simplify right side
596,509.60x = 409,840,066,728.19 - Step 5: Solve for x
x = 409,840,066,728.19/596,509.60 - Step 6: Final answer
x = 687,063.66
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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.