Finding the Fourth Proportional to 1,031,224.20, 1,423,067.98 and 572,312.12
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Solution
The fourth proportional to 1,031,224.20, 1,423,067.98 and 572,312.12 is: 789,778.84
Step by Step Solution
- Step 1: Write the proportion equation
1,031,224.20 : 1,423,067.98 = 572,312.12 : x - Step 2: Convert to fraction form
1,031,224.20/1,423,067.98 = 572,312.12/x - Step 3: Cross multiply
1,031,224.20x = 1,423,067.98 × 572,312.12 - Step 4: Simplify right side
1,031,224.20x = 814,439,052,537.92 - Step 5: Solve for x
x = 814,439,052,537.92/1,031,224.20 - Step 6: Final answer
x = 789,778.84
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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.