Finding the Fourth Proportional to 629,439.36, 868,615.36 and 342,961.80
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Solution
The fourth proportional to 629,439.36, 868,615.36 and 342,961.80 is: 473,281.31
Step by Step Solution
- Step 1: Write the proportion equation
629,439.36 : 868,615.36 = 342,961.80 : x - Step 2: Convert to fraction form
629,439.36/868,615.36 = 342,961.80/x - Step 3: Cross multiply
629,439.36x = 868,615.36 × 342,961.80 - Step 4: Simplify right side
629,439.36x = 297,901,887,373.25 - Step 5: Solve for x
x = 297,901,887,373.25/629,439.36 - Step 6: Final answer
x = 473,281.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.