Finding the Fourth Proportional to 843,029.34, 1,263,952.59 and 310,482.09
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Solution
The fourth proportional to 843,029.34, 1,263,952.59 and 310,482.09 is: 465,505.32
Step by Step Solution
- Step 1: Write the proportion equation
843,029.34 : 1,263,952.59 = 310,482.09 : x - Step 2: Convert to fraction form
843,029.34/1,263,952.59 = 310,482.09/x - Step 3: Cross multiply
843,029.34x = 1,263,952.59 × 310,482.09 - Step 4: Simplify right side
843,029.34x = 392,434,641,804.11 - Step 5: Solve for x
x = 392,434,641,804.11/843,029.34 - Step 6: Final answer
x = 465,505.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.