Finding the Fourth Proportional to 622,216.19, 858,603.23 and 346,553.01
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Solution
The fourth proportional to 622,216.19, 858,603.23 and 346,553.01 is: 478,212.46
Step by Step Solution
- Step 1: Write the proportion equation
622,216.19 : 858,603.23 = 346,553.01 : x - Step 2: Convert to fraction form
622,216.19/858,603.23 = 346,553.01/x - Step 3: Cross multiply
622,216.19x = 858,603.23 × 346,553.01 - Step 4: Simplify right side
622,216.19x = 297,551,533,752.22 - Step 5: Solve for x
x = 297,551,533,752.22/622,216.19 - Step 6: Final answer
x = 478,212.46
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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.