Finding the Fourth Proportional to 410,823.70, 616,235.55 and 341,703.70
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Solution
The fourth proportional to 410,823.70, 616,235.55 and 341,703.70 is: 512,555.55
Step by Step Solution
- Step 1: Write the proportion equation
410,823.70 : 616,235.55 = 341,703.70 : x - Step 2: Convert to fraction form
410,823.70/616,235.55 = 341,703.70/x - Step 3: Cross multiply
410,823.70x = 616,235.55 × 341,703.70 - Step 4: Simplify right side
410,823.70x = 210,569,967,506.54 - Step 5: Solve for x
x = 210,569,967,506.54/410,823.70 - Step 6: Final answer
x = 512,555.55
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1.5x scale
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.