Finding the Fourth Proportional to 879,421.14, 1,211,942.54 and 704,792.99
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Solution
The fourth proportional to 879,421.14, 1,211,942.54 and 704,792.99 is: 971,285.06
Step by Step Solution
- Step 1: Write the proportion equation
879,421.14 : 1,211,942.54 = 704,792.99 : x - Step 2: Convert to fraction form
879,421.14/1,211,942.54 = 704,792.99/x - Step 3: Cross multiply
879,421.14x = 1,211,942.54 × 704,792.99 - Step 4: Simplify right side
879,421.14x = 854,168,611,266.63 - Step 5: Solve for x
x = 854,168,611,266.63/879,421.14 - Step 6: Final answer
x = 971,285.06
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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.