Finding the Fourth Proportional to 707,291.14, 1,060,548.99 and 280,394.50
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Solution
The fourth proportional to 707,291.14, 1,060,548.99 and 280,394.50 is: 420,438.04
Step by Step Solution
- Step 1: Write the proportion equation
707,291.14 : 1,060,548.99 = 280,394.50 : x - Step 2: Convert to fraction form
707,291.14/1,060,548.99 = 280,394.50/x - Step 3: Cross multiply
707,291.14x = 1,060,548.99 × 280,394.50 - Step 4: Simplify right side
707,291.14x = 297,372,103,776.56 - Step 5: Solve for x
x = 297,372,103,776.56/707,291.14 - Step 6: Final answer
x = 420,438.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.