Finding the Fourth Proportional to 906,423.99, 1,360,234.92 and 426,788.97
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Solution
The fourth proportional to 906,423.99, 1,360,234.92 and 426,788.97 is: 640,465.46
Step by Step Solution
- Step 1: Write the proportion equation
906,423.99 : 1,360,234.92 = 426,788.97 : x - Step 2: Convert to fraction form
906,423.99/1,360,234.92 = 426,788.97/x - Step 3: Cross multiply
906,423.99x = 1,360,234.92 × 426,788.97 - Step 4: Simplify right side
906,423.99x = 580,533,256,964.41 - Step 5: Solve for x
x = 580,533,256,964.41/906,423.99 - Step 6: Final answer
x = 640,465.46
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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.