Finding the Fourth Proportional to 879,269.84, 1,318,215.74 and 347,189.15
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Solution
The fourth proportional to 879,269.84, 1,318,215.74 and 347,189.15 is: 520,511.65
Step by Step Solution
- Step 1: Write the proportion equation
879,269.84 : 1,318,215.74 = 347,189.15 : x - Step 2: Convert to fraction form
879,269.84/1,318,215.74 = 347,189.15/x - Step 3: Cross multiply
879,269.84x = 1,318,215.74 × 347,189.15 - Step 4: Simplify right side
879,269.84x = 457,670,193,960.20 - Step 5: Solve for x
x = 457,670,193,960.20/879,269.84 - Step 6: Final answer
x = 520,511.65
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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.