Finding the Fourth Proportional to 622,666.14, 858,943.49 and 416,289.88
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Solution
The fourth proportional to 622,666.14, 858,943.49 and 416,289.88 is: 574,255.55
Step by Step Solution
- Step 1: Write the proportion equation
622,666.14 : 858,943.49 = 416,289.88 : x - Step 2: Convert to fraction form
622,666.14/858,943.49 = 416,289.88/x - Step 3: Cross multiply
622,666.14x = 858,943.49 × 416,289.88 - Step 4: Simplify right side
622,666.14x = 357,569,483,712.74 - Step 5: Solve for x
x = 357,569,483,712.74/622,666.14 - Step 6: Final answer
x = 574,255.55
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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.