Finding the Fourth Proportional to 879,882.40, 1,318,948.80 and 405,740.80
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Solution
The fourth proportional to 879,882.40, 1,318,948.80 and 405,740.80 is: 608,207.80
Step by Step Solution
- Step 1: Write the proportion equation
879,882.40 : 1,318,948.80 = 405,740.80 : x - Step 2: Convert to fraction form
879,882.40/1,318,948.80 = 405,740.80/x - Step 3: Cross multiply
879,882.40x = 1,318,948.80 × 405,740.80 - Step 4: Simplify right side
879,882.40x = 535,151,341,271.04 - Step 5: Solve for x
x = 535,151,341,271.04/879,882.40 - Step 6: Final answer
x = 608,207.80
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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.