Finding the Fourth Proportional to 660,794.26, 911,896.88 and 358,988.26
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Solution
The fourth proportional to 660,794.26, 911,896.88 and 358,988.26 is: 495,404.23
Step by Step Solution
- Step 1: Write the proportion equation
660,794.26 : 911,896.88 = 358,988.26 : x - Step 2: Convert to fraction form
660,794.26/911,896.88 = 358,988.26/x - Step 3: Cross multiply
660,794.26x = 911,896.88 × 358,988.26 - Step 4: Simplify right side
660,794.26x = 327,360,274,250.63 - Step 5: Solve for x
x = 327,360,274,250.63/660,794.26 - Step 6: Final answer
x = 495,404.23
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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.