Finding the Fourth Proportional to 983,552.62, 1,357,431.96 and 553,916.74
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Solution
The fourth proportional to 983,552.62, 1,357,431.96 and 553,916.74 is: 764,477.95
Step by Step Solution
- Step 1: Write the proportion equation
983,552.62 : 1,357,431.96 = 553,916.74 : x - Step 2: Convert to fraction form
983,552.62/1,357,431.96 = 553,916.74/x - Step 3: Cross multiply
983,552.62x = 1,357,431.96 × 553,916.74 - Step 4: Simplify right side
983,552.62x = 751,904,286,055.01 - Step 5: Solve for x
x = 751,904,286,055.01/983,552.62 - Step 6: Final answer
x = 764,477.95
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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.