Finding the Fourth Proportional to 664,994.02, 917,697.57 and 378,532.52
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Solution
The fourth proportional to 664,994.02, 917,697.57 and 378,532.52 is: 522,378.20
Step by Step Solution
- Step 1: Write the proportion equation
664,994.02 : 917,697.57 = 378,532.52 : x - Step 2: Convert to fraction form
664,994.02/917,697.57 = 378,532.52/x - Step 3: Cross multiply
664,994.02x = 917,697.57 × 378,532.52 - Step 4: Simplify right side
664,994.02x = 347,378,376,064.22 - Step 5: Solve for x
x = 347,378,376,064.22/664,994.02 - Step 6: Final answer
x = 522,378.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.