Finding the Fourth Proportional to 746,034.53, 1,119,382.56 and 390,964.14
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Solution
The fourth proportional to 746,034.53, 1,119,382.56 and 390,964.14 is: 586,619.55
Step by Step Solution
- Step 1: Write the proportion equation
746,034.53 : 1,119,382.56 = 390,964.14 : x - Step 2: Convert to fraction form
746,034.53/1,119,382.56 = 390,964.14/x - Step 3: Cross multiply
746,034.53x = 1,119,382.56 × 390,964.14 - Step 4: Simplify right side
746,034.53x = 437,638,439,901.40 - Step 5: Solve for x
x = 437,638,439,901.40/746,034.53 - Step 6: Final answer
x = 586,619.55
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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.