Finding the Fourth Proportional to 533,219.58, 735,851.78 and 318,378.42
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Solution
The fourth proportional to 533,219.58, 735,851.78 and 318,378.42 is: 439,367.45
Step by Step Solution
- Step 1: Write the proportion equation
533,219.58 : 735,851.78 = 318,378.42 : x - Step 2: Convert to fraction form
533,219.58/735,851.78 = 318,378.42/x - Step 3: Cross multiply
533,219.58x = 735,851.78 × 318,378.42 - Step 4: Simplify right side
533,219.58x = 234,279,327,070.59 - Step 5: Solve for x
x = 234,279,327,070.59/533,219.58 - Step 6: Final answer
x = 439,367.45
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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.