Finding the Fourth Proportional to 756,295, 1,134,442.47 and 518,918.02
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Solution
The fourth proportional to 756,295, 1,134,442.47 and 518,918.02 is: 778,377.01
Step by Step Solution
- Step 1: Write the proportion equation
756,295 : 1,134,442.47 = 518,918.02 : x - Step 2: Convert to fraction form
756,295/1,134,442.47 = 518,918.02/x - Step 3: Cross multiply
756,295x = 1,134,442.47 × 518,918.02 - Step 4: Simplify right side
756,295x = 588,682,640,336.31 - Step 5: Solve for x
x = 588,682,640,336.31/756,295 - Step 6: Final answer
x = 778,377.01
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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.