Finding the Fourth Proportional to 979,954.08, 1,352,403.48 and 544,422.48
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Solution
The fourth proportional to 979,954.08, 1,352,403.48 and 544,422.48 is: 751,340.16
Step by Step Solution
- Step 1: Write the proportion equation
979,954.08 : 1,352,403.48 = 544,422.48 : x - Step 2: Convert to fraction form
979,954.08/1,352,403.48 = 544,422.48/x - Step 3: Cross multiply
979,954.08x = 1,352,403.48 × 544,422.48 - Step 4: Simplify right side
979,954.08x = 736,278,856,542.23 - Step 5: Solve for x
x = 736,278,856,542.23/979,954.08 - Step 6: Final answer
x = 751,340.16
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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.