Finding the Fourth Proportional to 498,911.24, 688,529.22 and 284,070.08
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Solution
The fourth proportional to 498,911.24, 688,529.22 and 284,070.08 is: 392,034.76
Step by Step Solution
- Step 1: Write the proportion equation
498,911.24 : 688,529.22 = 284,070.08 : x - Step 2: Convert to fraction form
498,911.24/688,529.22 = 284,070.08/x - Step 3: Cross multiply
498,911.24x = 688,529.22 × 284,070.08 - Step 4: Simplify right side
498,911.24x = 195,590,550,607.74 - Step 5: Solve for x
x = 195,590,550,607.74/498,911.24 - Step 6: Final answer
x = 392,034.76
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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.