Finding the Fourth Proportional to 622,829.61, 859,504.84 and 336,349.67
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Solution
The fourth proportional to 622,829.61, 859,504.84 and 336,349.67 is: 464,162.53
Step by Step Solution
- Step 1: Write the proportion equation
622,829.61 : 859,504.84 = 336,349.67 : x - Step 2: Convert to fraction form
622,829.61/859,504.84 = 336,349.67/x - Step 3: Cross multiply
622,829.61x = 859,504.84 × 336,349.67 - Step 4: Simplify right side
622,829.61x = 289,094,169,297.40 - Step 5: Solve for x
x = 289,094,169,297.40/622,829.61 - Step 6: Final answer
x = 464,162.53
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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.