Finding the Fourth Proportional to 983,736.11, 1,357,519.99 and 548,130.95
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Solution
The fourth proportional to 983,736.11, 1,357,519.99 and 548,130.95 is: 756,400.74
Step by Step Solution
- Step 1: Write the proportion equation
983,736.11 : 1,357,519.99 = 548,130.95 : x - Step 2: Convert to fraction form
983,736.11/1,357,519.99 = 548,130.95/x - Step 3: Cross multiply
983,736.11x = 1,357,519.99 × 548,130.95 - Step 4: Simplify right side
983,736.11x = 744,098,722,035.66 - Step 5: Solve for x
x = 744,098,722,035.66/983,736.11 - Step 6: Final answer
x = 756,400.74
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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.