Finding the Fourth Proportional to 983,791.98, 1,357,635.60 and 570,409.02
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Solution
The fourth proportional to 983,791.98, 1,357,635.60 and 570,409.02 is: 787,165.99
Step by Step Solution
- Step 1: Write the proportion equation
983,791.98 : 1,357,635.60 = 570,409.02 : x - Step 2: Convert to fraction form
983,791.98/1,357,635.60 = 570,409.02/x - Step 3: Cross multiply
983,791.98x = 1,357,635.60 × 570,409.02 - Step 4: Simplify right side
983,791.98x = 774,407,592,113.11 - Step 5: Solve for x
x = 774,407,592,113.11/983,791.98 - Step 6: Final answer
x = 787,165.99
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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.