Finding the Fourth Proportional to 764,599.12, 1,146,182.36 and 258,806.14
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Solution
The fourth proportional to 764,599.12, 1,146,182.36 and 258,806.14 is: 387,966.75
Step by Step Solution
- Step 1: Write the proportion equation
764,599.12 : 1,146,182.36 = 258,806.14 : x - Step 2: Convert to fraction form
764,599.12/1,146,182.36 = 258,806.14/x - Step 3: Cross multiply
764,599.12x = 1,146,182.36 × 258,806.14 - Step 4: Simplify right side
764,599.12x = 296,639,032,327.69 - Step 5: Solve for x
x = 296,639,032,327.69/764,599.12 - Step 6: Final answer
x = 387,966.75
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1.5x scale
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.