Finding the Fourth Proportional to 756,296, 1,134,443.97 and 518,919.02
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Solution
The fourth proportional to 756,296, 1,134,443.97 and 518,919.02 is: 778,378.51
Step by Step Solution
- Step 1: Write the proportion equation
756,296 : 1,134,443.97 = 518,919.02 : x - Step 2: Convert to fraction form
756,296/1,134,443.97 = 518,919.02/x - Step 3: Cross multiply
756,296x = 1,134,443.97 × 518,919.02 - Step 4: Simplify right side
756,296x = 588,684,553,157.31 - Step 5: Solve for x
x = 588,684,553,157.31/756,296 - Step 6: Final answer
x = 778,378.51
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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.