Finding the Fourth Proportional to 614,230.76, 847,626.98 and 342,292.70
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Solution
The fourth proportional to 614,230.76, 847,626.98 and 342,292.70 is: 472,357.53
Step by Step Solution
- Step 1: Write the proportion equation
614,230.76 : 847,626.98 = 342,292.70 : x - Step 2: Convert to fraction form
614,230.76/847,626.98 = 342,292.70/x - Step 3: Cross multiply
614,230.76x = 847,626.98 × 342,292.70 - Step 4: Simplify right side
614,230.76x = 290,136,521,627.45 - Step 5: Solve for x
x = 290,136,521,627.45/614,230.76 - Step 6: Final answer
x = 472,357.53
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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.