Finding the Fourth Proportional to 622,815.95, 859,485.99 and 336,336.03
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Solution
The fourth proportional to 622,815.95, 859,485.99 and 336,336.03 is: 464,143.71
Step by Step Solution
- Step 1: Write the proportion equation
622,815.95 : 859,485.99 = 336,336.03 : x - Step 2: Convert to fraction form
622,815.95/859,485.99 = 336,336.03/x - Step 3: Cross multiply
622,815.95x = 859,485.99 × 336,336.03 - Step 4: Simplify right side
622,815.95x = 289,076,105,717.22 - Step 5: Solve for x
x = 289,076,105,717.22/622,815.95 - Step 6: Final answer
x = 464,143.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.