Finding the Fourth Proportional to 530,452.80, 794,512.80 and 437,140.80
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Solution
The fourth proportional to 530,452.80, 794,512.80 and 437,140.80 is: 654,749.98
Step by Step Solution
- Step 1: Write the proportion equation
530,452.80 : 794,512.80 = 437,140.80 : x - Step 2: Convert to fraction form
530,452.80/794,512.80 = 437,140.80/x - Step 3: Cross multiply
530,452.80x = 794,512.80 × 437,140.80 - Step 4: Simplify right side
530,452.80x = 347,313,961,002.24 - Step 5: Solve for x
x = 347,313,961,002.24/530,452.80 - Step 6: Final answer
x = 654,749.98
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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.