Finding the Fourth Proportional to 435,064.20, 652,596.30 and 405,539.70
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Solution
The fourth proportional to 435,064.20, 652,596.30 and 405,539.70 is: 608,309.55
Step by Step Solution
- Step 1: Write the proportion equation
435,064.20 : 652,596.30 = 405,539.70 : x - Step 2: Convert to fraction form
435,064.20/652,596.30 = 405,539.70/x - Step 3: Cross multiply
435,064.20x = 652,596.30 × 405,539.70 - Step 4: Simplify right side
435,064.20x = 264,653,707,723.11 - Step 5: Solve for x
x = 264,653,707,723.11/435,064.20 - Step 6: Final answer
x = 608,309.55
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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.