Finding the Fourth Proportional to 983,215.52, 1,475,395.68 and 414,560.96
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Solution
The fourth proportional to 983,215.52, 1,475,395.68 and 414,560.96 is: 622,082.79
Step by Step Solution
- Step 1: Write the proportion equation
983,215.52 : 1,475,395.68 = 414,560.96 : x - Step 2: Convert to fraction form
983,215.52/1,475,395.68 = 414,560.96/x - Step 3: Cross multiply
983,215.52x = 1,475,395.68 × 414,560.96 - Step 4: Simplify right side
983,215.52x = 611,641,449,480.65 - Step 5: Solve for x
x = 611,641,449,480.65/983,215.52 - Step 6: Final answer
x = 622,082.79
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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.