Finding the Fourth Proportional to 688,818.24, 1,033,199.04 and 239,640.96
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Solution
The fourth proportional to 688,818.24, 1,033,199.04 and 239,640.96 is: 359,451.59
Step by Step Solution
- Step 1: Write the proportion equation
688,818.24 : 1,033,199.04 = 239,640.96 : x - Step 2: Convert to fraction form
688,818.24/1,033,199.04 = 239,640.96/x - Step 3: Cross multiply
688,818.24x = 1,033,199.04 × 239,640.96 - Step 4: Simplify right side
688,818.24x = 247,596,809,816.68 - Step 5: Solve for x
x = 247,596,809,816.68/688,818.24 - Step 6: Final answer
x = 359,451.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.