Finding the Fourth Proportional to 684,550.08, 944,938.44 and 612,800.28
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Solution
The fourth proportional to 684,550.08, 944,938.44 and 612,800.28 is: 845,896.53
Step by Step Solution
- Step 1: Write the proportion equation
684,550.08 : 944,938.44 = 612,800.28 : x - Step 2: Convert to fraction form
684,550.08/944,938.44 = 612,800.28/x - Step 3: Cross multiply
684,550.08x = 944,938.44 × 612,800.28 - Step 4: Simplify right side
684,550.08x = 579,058,540,614.76 - Step 5: Solve for x
x = 579,058,540,614.76/684,550.08 - Step 6: Final answer
x = 845,896.53
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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.