Finding the Fourth Proportional to 1,063,554.99, 1,595,331.68 and 315,600.99
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Solution
The fourth proportional to 1,063,554.99, 1,595,331.68 and 315,600.99 is: 473,401.24
Step by Step Solution
- Step 1: Write the proportion equation
1,063,554.99 : 1,595,331.68 = 315,600.99 : x - Step 2: Convert to fraction form
1,063,554.99/1,595,331.68 = 315,600.99/x - Step 3: Cross multiply
1,063,554.99x = 1,595,331.68 × 315,600.99 - Step 4: Simplify right side
1,063,554.99x = 503,488,256,008.36 - Step 5: Solve for x
x = 503,488,256,008.36/1,063,554.99 - Step 6: Final answer
x = 473,401.24
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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.