Finding the Fourth Proportional to 530,197.20, 794,129.40 and 471,099.60
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Solution
The fourth proportional to 530,197.20, 794,129.40 and 471,099.60 is: 705,613.01
Step by Step Solution
- Step 1: Write the proportion equation
530,197.20 : 794,129.40 = 471,099.60 : x - Step 2: Convert to fraction form
530,197.20/794,129.40 = 471,099.60/x - Step 3: Cross multiply
530,197.20x = 794,129.40 × 471,099.60 - Step 4: Simplify right side
530,197.20x = 374,114,042,688.24 - Step 5: Solve for x
x = 374,114,042,688.24/530,197.20 - Step 6: Final answer
x = 705,613.01
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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.