Finding the Fourth Proportional to 526,420.80, 788,464.80 and 433,108.80
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Solution
The fourth proportional to 526,420.80, 788,464.80 and 433,108.80 is: 648,703.55
Step by Step Solution
- Step 1: Write the proportion equation
526,420.80 : 788,464.80 = 433,108.80 : x - Step 2: Convert to fraction form
526,420.80/788,464.80 = 433,108.80/x - Step 3: Cross multiply
526,420.80x = 788,464.80 × 433,108.80 - Step 4: Simplify right side
526,420.80x = 341,491,043,370.24 - Step 5: Solve for x
x = 341,491,043,370.24/526,420.80 - Step 6: Final answer
x = 648,703.55
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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.