Finding the Fourth Proportional to 926,467.74, 1,278,418.05 and 518,592.42
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Solution
The fourth proportional to 926,467.74, 1,278,418.05 and 518,592.42 is: 715,597.40
Step by Step Solution
- Step 1: Write the proportion equation
926,467.74 : 1,278,418.05 = 518,592.42 : x - Step 2: Convert to fraction form
926,467.74/1,278,418.05 = 518,592.42/x - Step 3: Cross multiply
926,467.74x = 1,278,418.05 × 518,592.42 - Step 4: Simplify right side
926,467.74x = 662,977,910,321.18 - Step 5: Solve for x
x = 662,977,910,321.18/926,467.74 - Step 6: Final answer
x = 715,597.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.