Finding the Fourth Proportional to 805,184.50, 1,111,154.62 and 465,674.62
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Solution
The fourth proportional to 805,184.50, 1,111,154.62 and 465,674.62 is: 642,630.98
Step by Step Solution
- Step 1: Write the proportion equation
805,184.50 : 1,111,154.62 = 465,674.62 : x - Step 2: Convert to fraction form
805,184.50/1,111,154.62 = 465,674.62/x - Step 3: Cross multiply
805,184.50x = 1,111,154.62 × 465,674.62 - Step 4: Simplify right side
805,184.50x = 517,436,505,429.74 - Step 5: Solve for x
x = 517,436,505,429.74/805,184.50 - Step 6: Final answer
x = 642,630.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.