Finding the Fourth Proportional to 622,878.96, 859,572.88 and 336,399.08
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Solution
The fourth proportional to 622,878.96, 859,572.88 and 336,399.08 is: 464,230.68
Step by Step Solution
- Step 1: Write the proportion equation
622,878.96 : 859,572.88 = 336,399.08 : x - Step 2: Convert to fraction form
622,878.96/859,572.88 = 336,399.08/x - Step 3: Cross multiply
622,878.96x = 859,572.88 × 336,399.08 - Step 4: Simplify right side
622,878.96x = 289,159,526,024.95 - Step 5: Solve for x
x = 289,159,526,024.95/622,878.96 - Step 6: Final answer
x = 464,230.68
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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.