Finding the Fourth Proportional to 983,557.99, 1,357,308.46 and 553,841.20
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Solution
The fourth proportional to 983,557.99, 1,357,308.46 and 553,841.20 is: 764,299.97
Step by Step Solution
- Step 1: Write the proportion equation
983,557.99 : 1,357,308.46 = 553,841.20 : x - Step 2: Convert to fraction form
983,557.99/1,357,308.46 = 553,841.20/x - Step 3: Cross multiply
983,557.99x = 1,357,308.46 × 553,841.20 - Step 4: Simplify right side
983,557.99x = 751,733,341,010.63 - Step 5: Solve for x
x = 751,733,341,010.63/983,557.99 - Step 6: Final answer
x = 764,299.97
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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.