Finding the Fourth Proportional to 402,465.84, 603,991.08 and 324,521.52
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Solution
The fourth proportional to 402,465.84, 603,991.08 and 324,521.52 is: 487,017.99
Step by Step Solution
- Step 1: Write the proportion equation
402,465.84 : 603,991.08 = 324,521.52 : x - Step 2: Convert to fraction form
402,465.84/603,991.08 = 324,521.52/x - Step 3: Cross multiply
402,465.84x = 603,991.08 × 324,521.52 - Step 4: Simplify right side
402,465.84x = 196,008,103,348.04 - Step 5: Solve for x
x = 196,008,103,348.04/402,465.84 - Step 6: Final answer
x = 487,017.99
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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.