Finding the Fourth Proportional to 854,538.70, 1,281,808.05 and 854,538.70
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Solution
The fourth proportional to 854,538.70, 1,281,808.05 and 854,538.70 is: 1,281,808.05
Step by Step Solution
- Step 1: Write the proportion equation
854,538.70 : 1,281,808.05 = 854,538.70 : x - Step 2: Convert to fraction form
854,538.70/1,281,808.05 = 854,538.70/x - Step 3: Cross multiply
854,538.70x = 1,281,808.05 × 854,538.70 - Step 4: Simplify right side
854,538.70x = 1,095,354,584,696.54 - Step 5: Solve for x
x = 1,095,354,584,696.54/854,538.70 - Step 6: Final answer
x = 1,281,808.05
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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.