Finding the Fourth Proportional to 709,967.75, 1,065,263.81 and 372,930.12
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Solution
The fourth proportional to 709,967.75, 1,065,263.81 and 372,930.12 is: 559,559.17
Step by Step Solution
- Step 1: Write the proportion equation
709,967.75 : 1,065,263.81 = 372,930.12 : x - Step 2: Convert to fraction form
709,967.75/1,065,263.81 = 372,930.12/x - Step 3: Cross multiply
709,967.75x = 1,065,263.81 × 372,930.12 - Step 4: Simplify right side
709,967.75x = 397,268,958,630.31 - Step 5: Solve for x
x = 397,268,958,630.31/709,967.75 - Step 6: Final answer
x = 559,559.17
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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.