Finding the Fourth Proportional to 854,118.20, 1,281,177.30 and 539,967.80
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Solution
The fourth proportional to 854,118.20, 1,281,177.30 and 539,967.80 is: 809,951.70
Step by Step Solution
- Step 1: Write the proportion equation
854,118.20 : 1,281,177.30 = 539,967.80 : x - Step 2: Convert to fraction form
854,118.20/1,281,177.30 = 539,967.80/x - Step 3: Cross multiply
854,118.20x = 1,281,177.30 × 539,967.80 - Step 4: Simplify right side
854,118.20x = 691,794,488,090.94 - Step 5: Solve for x
x = 691,794,488,090.94/854,118.20 - Step 6: Final answer
x = 809,951.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.