Finding the Fourth Proportional to 660,793.26, 911,895.50 and 358,987.26
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Solution
The fourth proportional to 660,793.26, 911,895.50 and 358,987.26 is: 495,402.85
Step by Step Solution
- Step 1: Write the proportion equation
660,793.26 : 911,895.50 = 358,987.26 : x - Step 2: Convert to fraction form
660,793.26/911,895.50 = 358,987.26/x - Step 3: Cross multiply
660,793.26x = 911,895.50 × 358,987.26 - Step 4: Simplify right side
660,793.26x = 327,358,866,951.33 - Step 5: Solve for x
x = 327,358,866,951.33/660,793.26 - Step 6: Final answer
x = 495,402.85
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1.5x scale
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.