Finding the Fourth Proportional to 979,992.60, 1,352,427.97 and 544,442.84
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Solution
The fourth proportional to 979,992.60, 1,352,427.97 and 544,442.84 is: 751,352.33
Step by Step Solution
- Step 1: Write the proportion equation
979,992.60 : 1,352,427.97 = 544,442.84 : x - Step 2: Convert to fraction form
979,992.60/1,352,427.97 = 544,442.84/x - Step 3: Cross multiply
979,992.60x = 1,352,427.97 × 544,442.84 - Step 4: Simplify right side
979,992.60x = 736,319,724,882.24 - Step 5: Solve for x
x = 736,319,724,882.24/979,992.60 - Step 6: Final answer
x = 751,352.33
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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.