Finding the Fourth Proportional to 716,640.16, 1,074,960.24 and 508,787.68
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Solution
The fourth proportional to 716,640.16, 1,074,960.24 and 508,787.68 is: 763,181.52
Step by Step Solution
- Step 1: Write the proportion equation
716,640.16 : 1,074,960.24 = 508,787.68 : x - Step 2: Convert to fraction form
716,640.16/1,074,960.24 = 508,787.68/x - Step 3: Cross multiply
716,640.16x = 1,074,960.24 × 508,787.68 - Step 4: Simplify right side
716,640.16x = 546,926,526,601.84 - Step 5: Solve for x
x = 546,926,526,601.84/716,640.16 - Step 6: Final answer
x = 763,181.52
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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.