Finding the Fourth Proportional to 746,025.38, 1,119,368.85 and 390,954.99
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Solution
The fourth proportional to 746,025.38, 1,119,368.85 and 390,954.99 is: 586,605.83
Step by Step Solution
- Step 1: Write the proportion equation
746,025.38 : 1,119,368.85 = 390,954.99 : x - Step 2: Convert to fraction form
746,025.38/1,119,368.85 = 390,954.99/x - Step 3: Cross multiply
746,025.38x = 1,119,368.85 × 390,954.99 - Step 4: Simplify right side
746,025.38x = 437,622,837,558.06 - Step 5: Solve for x
x = 437,622,837,558.06/746,025.38 - Step 6: Final answer
x = 586,605.83
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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.