Finding the Fourth Proportional to 719,236.71, 1,078,855.61 and 245,925.63
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Solution
The fourth proportional to 719,236.71, 1,078,855.61 and 245,925.63 is: 368,888.63
Step by Step Solution
- Step 1: Write the proportion equation
719,236.71 : 1,078,855.61 = 245,925.63 : x - Step 2: Convert to fraction form
719,236.71/1,078,855.61 = 245,925.63/x - Step 3: Cross multiply
719,236.71x = 1,078,855.61 × 245,925.63 - Step 4: Simplify right side
719,236.71x = 265,318,244,338.66 - Step 5: Solve for x
x = 265,318,244,338.66/719,236.71 - Step 6: Final answer
x = 368,888.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.